To translate your *nix style command script to windows/command batch style it would go like this:
SET PROJ_HOME=%USERPROFILE%/proj/111
SET PROJECT_BASEDIR=%PROJ_HOME%/exercises/ex1
mkdir "%PROJ_HOME%"
mkdir on windows doens't have a -p parameter : from the MKDIR /? help:
MKDIR creates any intermediate directories in the path, if needed.
which basically is what mkdir -p (or --parents for purists) on *nix does, as taken from the man guide
I had this noted from somewhere:
adding text-transform to input to remove it
input.button {
text-indent:-9999px;
text-transform:capitalize;
}
The apache commons lang package provides such a class which can be used to build up a default toString() method using reflection to get the values of fields. Just have a look at this.
i. Please check the InnerException
property of the TypeInitializationException
ii. Also, this may occur due to mismatch between the runtime versions of the assemblies. Please verify the runtime versions of the main assembly (calling application) and the referred assembly
Regarding your "trick the system" subquestion, you can handle that by normalizing both the "bad word" list and the user-entered text before doing your search. e.g., Use a series of regexes (or tr if PHP has it) to convert [z$5] to "s", [4@] to "a", etc., then compare the normalized "bad word" list against the normalized text. Note that the normalization could potentially lead to additional false positives, although I can't think of any actual cases at the moment.
The larger challenge is to come up with something that will let people quote "The pen is mightier than the sword" while blocking "p e n i s".
I benefited a lot from 'Dive into HTML 5'. The explanation and demo are easier and to the point. History chapter - http://diveintohtml5.info/history.html and history demo - http://diveintohtml5.info/examples/history/fer.html
This took me a while to figure out but here's my answer.
Before using DomDocument I would use file_get_contents to retrieve urls and then process them with string functions. Perhaps not the best way but quick. After being convinced Dom was just as quick I first tried the following:
$dom = new DomDocument('1.0', 'UTF-8');
if ($dom->loadHTMLFile($url) == false) { // read the url
// error message
}
else {
// process
}
This failed spectacularly in preserving UTF-8 encoding despite the proper meta tags, php settings and all the rest of the remedies offered here and elsewhere. Here's what works:
$dom = new DomDocument('1.0', 'UTF-8');
$str = file_get_contents($url);
if ($dom->loadHTML(mb_convert_encoding($str, 'HTML-ENTITIES', 'UTF-8')) == false) {
}
etc. Now everything's right with the world. Hope this helps.
I ran into this same issue but found a research project from Microsoft that solves this issue.
http://research.microsoft.com/en-us/projects/moles/
Moles is a lightweight framework for test stubs and detours in .NET that is based on delegates. Moles may be used to detour any .NET method, including non-virtual/static methods in sealed types
// Let's detour DateTime.Now
MDateTime.NowGet = () => new DateTime(2000,1, 1);
if (DateTime.Now == new DateTime(2000, 1, 1);
{
throw new Exception("Wahoo we did it!");
}
The sample code was modified from the original.
I had done what other suggested and abstracted the DateTime into a provider. It just felt wrong and I felt like it was too much just for testing. I'm going to implement this into my personal project this evening.
The only way to deal with this non-intrusively is to:
select
from the pipes' file descriptors, perform merge-sort on the available log entries, and flush to centralized log. Repeat.)Here's what I did (the object returns the unit of time along with its value):
function timeSince(post_date, reference)_x000D_
{_x000D_
var reference = reference ? new Date(reference) : new Date(),_x000D_
diff = reference - new Date(post_date + ' GMT-0000'),_x000D_
date = new Date(diff),_x000D_
object = { unit: null, value: null };_x000D_
_x000D_
if (diff < 86400000)_x000D_
{_x000D_
var secs = date.getSeconds(),_x000D_
mins = date.getMinutes(),_x000D_
hours = date.getHours(),_x000D_
array = [ ['second', secs], ['minute', mins], ['hour', hours] ];_x000D_
}_x000D_
else_x000D_
{_x000D_
var days = date.getDate(),_x000D_
weeks = Math.floor(days / 7),_x000D_
months = date.getMonth(),_x000D_
years = date.getFullYear() - 1970,_x000D_
array = [ ['day', days], ['week', weeks], ['month', months], ['year', years] ];_x000D_
}_x000D_
_x000D_
for (var i = 0; i < array.length; i++)_x000D_
{_x000D_
array[i][0] += array[i][1] != 1 ? 's' : '';_x000D_
_x000D_
object.unit = array[i][1] >= 1 ? array[i][0] : object.unit;_x000D_
object.value = array[i][1] >= 1 ? array[i][1] : object.value;_x000D_
}_x000D_
_x000D_
return object;_x000D_
}
_x000D_
You are getting the error because you might not have run the command npm install
first.
i.e.
First, run npm install
and then npm run dev
Here, you can find the shortcuts to access the developer tools.
Although there are a bunch of correct answers above, it should be noted that the String
object in JavaScript has a native .trim()
method as of ECMAScript 5. Thus ideally any attempt to prototype the trim method should really check to see if it already exists first.
if(!String.prototype.trim){
String.prototype.trim = function(){
return this.replace(/^\s+|\s+$/g,'');
};
}
Added natively in: JavaScript 1.8.1 / ECMAScript 5
Thus supported in:
Firefox: 3.5+
Safari: 5+
Internet Explorer: IE9+ (in Standards mode only!) http://blogs.msdn.com/b/ie/archive/2010/06/25/enhanced-scripting-in-ie9-ecmascript-5-support-and-more.aspx
Chrome: 5+
Opera: 10.5+
ECMAScript 5 Support Table: http://kangax.github.com/es5-compat-table/
Not sure, but you should be able to do something by setting a default active profile in your settings.xml
See
See http://maven.apache.org/guides/introduction/introduction-to-profiles.html
Same error can raise by mixing: tabs + spaces.
with open('/foo', 'w') as f:
(spaces OR tab) print f <-- success
(spaces AND tab) print f <-- fail
A little late reply, but what I found in Notepad++ v7.8.6 is, on RMB (Right Mouse Button), on selection text, it gives an option called "Style token" where it shows "Using 1st/2nd/3rd/4th/5th style" to highlight the selected text in different pre-defined colors
This appears to be a UTF-8 encoding issue that may have been caused by a double-UTF8-encoding of the database file contents.
This situation could happen due to factors such as the character set that was or was not selected (for instance when a database backup file was created) and the file format and encoding database file was saved with.
I have seen these strange UTF-8 characters in the following scenario (the description may not be entirely accurate as I no longer have access to the database in question):
Looking into the file contents:
So, the issue is that "false" (UTF8-encoded twice) utf-8 needs to be converted back into "correct" utf-8 (only UTF8-encoded once).
Trying to fix this in PHP turns out to be a bit challenging:
utf8_decode() is not able to process the characters.
// Fails silently (as in - nothing is output)
$str = "så";
$str = utf8_decode($str);
printf("\n%s", $str);
$str = utf8_decode($str);
printf("\n%s", $str);
iconv() fails with "Notice: iconv(): Detected an illegal character in input string".
echo iconv("UTF-8", "ISO-8859-1", "så");
Another fine and possible solution fails silently too in this scenario
$str = "så";
echo html_entity_decode(htmlentities($str, ENT_QUOTES, 'UTF-8'), ENT_QUOTES , 'ISO-8859-15');
mb_convert_encoding() silently: #
$str = "så";
echo mb_convert_encoding($str, 'ISO-8859-15', 'UTF-8');
// (No output)
Trying to fix the encoding in MySQL by converting the MySQL database characterset and collation to UTF-8 was unsuccessfully:
ALTER DATABASE myDatabase CHARACTER SET utf8 COLLATE utf8_unicode_ci;
ALTER TABLE myTable CONVERT TO CHARACTER SET utf8 COLLATE utf8_unicode_ci;
I see a couple of ways to resolve this issue.
The first is to make a backup with correct encoding (the encoding needs to match the actual database and table encoding). You can verify the encoding by simply opening the resulting SQL file in a text editor.
The other is to replace double-UTF8-encoded characters with single-UTF8-encoded characters. This can be done manually in a text editor. To assist in this process, you can manually pick incorrect characters from Try UTF-8 Encoding Debugging Chart (it may be a matter of replacing 5-10 errors).
Finally, a script can assist in the process:
$str = "så";
// The two arrays can also be generated by double-encoding values in the first array and single-encoding values in the second array.
$str = str_replace(["Ã","Â¥"], ["Ã","¥"], $str);
$str = utf8_decode($str);
echo $str;
// Output: "så" (correct)
You can still using the devil logic of setting options depending on your current Tmux version: see my previous answer.
But since Tmux v1.7, set-option
adds "-q" to silence errors and not print out anything (see changelog).
I recommend to use this feature, it's more readable and easily expandable.
Add this to your ~/.tmux.conf
:
# from v2.1
set -gq mouse on
# before v2.1
set -gq mode-mouse on
set -gq mouse-resize-pane on
set -gq mouse-select-pane on
set -gq mouse-select-window on
Restar tmux or source-file
your new .tmux.conf
Side note: I'm open to remove my old answer if people prefer this one
WHILE EXISTS (SELECT * FROM TableName WHERE Value <> 'abc1' AND Parameter1 = 'abc' AND Parameter2 = 123)
BEGIN
UPDATE TOP (1000) TableName
SET Value = 'abc1'
WHERE Parameter1 = 'abc' AND Parameter2 = 123 AND Value <> 'abc1'
END
Add your multiple columns with comma separations:
UPDATE settings SET postsPerPage = $postsPerPage, style= $style WHERE id = '1'
However, you're not sanitizing your inputs?? This would mean any random hacker could destroy your database. See this question: What's the best method for sanitizing user input with PHP?
Also, is style a number or a string? I'm assuming a string, so it would need to be quoted.
Since it has not been mentioned just for completion. The good ol' filter to filter your to be filtered elements.
Functional programming ftw.
####### Set Up #######
class X:
def __init__(self, val):
self.val = val
elem = 5
my_unfiltered_list = [X(1), X(2), X(3), X(4), X(5), X(5), X(6)]
####### Set Up #######
### Filter one liner ### filter(lambda x: condition(x), some_list)
my_filter_iter = filter(lambda x: x.val == elem, my_unfiltered_list)
### Returns a flippin' iterator at least in Python 3.5 and that's what I'm on
print(next(my_filter_iter).val)
print(next(my_filter_iter).val)
print(next(my_filter_iter).val)
### [1, 2, 3, 4, 5, 5, 6] Will Return: ###
# 5
# 5
# Traceback (most recent call last):
# File "C:\Users\mousavin\workspace\Scripts\test.py", line 22, in <module>
# print(next(my_filter_iter).value)
# StopIteration
# You can do that None stuff or whatever at this point, if you don't like exceptions.
I know that generally in python list comprehensions are preferred or at least that is what I read, but I don't see the issue to be honest. Of course Python is not an FP language, but Map / Reduce / Filter are perfectly readable and are the most standard of standard use cases in functional programming.
So there you go. Know thy functional programming.
filter condition list
It won't get any easier than this:
next(filter(lambda x: x.val == value, my_unfiltered_list)) # Optionally: next(..., None) or some other default value to prevent Exceptions
From what I know this will not be possible only with css. Heres a solution how you could make it work with jQuery which is a javascript Library. More about jquery here: http://jquery.com/
Here is a working example : http://jsfiddle.net/uyDbL/
$(document).ready(function(){
$('a').on('click',function(){
var aID = $(this).attr('href');
var elem = $(''+aID).html();
$('.target').html(elem);
});
});
Update 2018 (as this still gets upvoted) here is a plain javascript solution without jQuery
var target = document.querySelector('.target');_x000D_
[...document.querySelectorAll('table a')].forEach(function(element){_x000D_
element.addEventListener('click', function(){_x000D_
target.innerHTML = document.querySelector(element.getAttribute('href')).innerHTML;_x000D_
});_x000D_
});
_x000D_
a{_x000D_
text-decoration:none;_x000D_
color:black;_x000D_
}_x000D_
_x000D_
.target{_x000D_
width:50%;_x000D_
height:200px;_x000D_
border:solid black 1px; _x000D_
}_x000D_
_x000D_
#m1, #m2, #m3, #m4, #m5, #m6, #m7, #m8, #m9{_x000D_
display:none;_x000D_
}
_x000D_
<table border="0">_x000D_
<tr>_x000D_
<td>_x000D_
<hr>_x000D_
<a href="#m1">fea1</a><br><hr>_x000D_
<a href="#m2">fea2</a><br><hr>_x000D_
<a href="#m3">fea3</a><br><hr>_x000D_
<a href="#m4">fea4</a><br><hr>_x000D_
<a href="#m5">fea5</a><br><hr>_x000D_
<a href="#m6">fea6</a><br><hr>_x000D_
<a href="#m7">fea7</a><br><hr>_x000D_
<a href="#m8">fea8</a><br><hr>_x000D_
<a href="#m9">fea9</a>_x000D_
<hr>_x000D_
</td>_x000D_
</tr>_x000D_
</table>_x000D_
_x000D_
_x000D_
<div class="target">_x000D_
_x000D_
</div>_x000D_
_x000D_
_x000D_
<div id="m1">dasdasdasd</div>_x000D_
<div id="m2">dadasdasdasd</div>_x000D_
<div id="m3">sdasdasds</div>_x000D_
<div id="m4">dasdasdsad</div>_x000D_
<div id="m5">dasdasd</div>_x000D_
<div id="m6">asdasdad</div>_x000D_
<div id="m7">asdasda</div>_x000D_
<div id="m8">dasdasd</div>_x000D_
<div id="m9">dasdasdsgaswa</div>
_x000D_
Prior to running python, type cd
in the commmand line, and it will tell you the directory you are currently in. When python runs, it can only access files in this directory. hello.py
needs to be in this directory, so you can move hello.py
from its existing location to this folder as you would move any other file in Windows or you can change directories and run python in the directory hello.py
is.
Edit: Python cannot access the files in the subdirectory unless a path to it provided. You can access files in any directory by providing the path. python C:\Python27\Projects\hello.p
I know this is an old question but I believed the asker wanted the class, not the class name. I wrote a little method that will get the actual class. It is sort of cheaty and may not always work, but sometimes when you need the actual class, you will have to use this method...
/**
* Get the caller class.
* @param level The level of the caller class.
* For example: If you are calling this class inside a method and you want to get the caller class of that method,
* you would use level 2. If you want the caller of that class, you would use level 3.
*
* Usually level 2 is the one you want.
* @return The caller class.
* @throws ClassNotFoundException We failed to find the caller class.
*/
public static Class getCallerClass(int level) throws ClassNotFoundException {
StackTraceElement[] stElements = Thread.currentThread().getStackTrace();
String rawFQN = stElements[level+1].toString().split("\\(")[0];
return Class.forName(rawFQN.substring(0, rawFQN.lastIndexOf('.')));
}
You cannot break a forEach
in underscore, as it emulates EcmaScript 5 native behaviour.
They are both accepted in T-SQL. However, it seems that using <>
works a lot faster than !=
. I just ran a complex query that was using !=
, and it took about 16 seconds on average to run. I changed those to <>
and the query now takes about 4 seconds on average to run. That's a huge improvement!
No, CASE
is a function, and can only return a single value. I think you are going to have to duplicate your CASE logic.
The other option would be to wrap the whole query with an IF and have two separate queries to return results. Without seeing the rest of the query, it's hard to say if that would work for you.
Try starting IntelliJ from terminal. You can find application file under: /Applications/IntelliJ\ IDEA\ 14.app/Contents/MacOS
I think the following helper method could also solve the problem.
private TResult InvokeAsyncFuncSynchronously<TResult>(Func< Task<TResult>> func)
{
TResult result = default(TResult);
var autoResetEvent = new AutoResetEvent(false);
Task.Run(async () =>
{
try
{
result = await func();
}
catch (Exception exc)
{
mErrorLogger.LogError(exc.ToString());
}
finally
{
autoResetEvent.Set();
}
});
autoResetEvent.WaitOne();
return result;
}
Can be used the following way:
InvokeAsyncFuncSynchronously(Service.GetCustomersAsync);
As Bhavik Shah says, you can do it in JAVA_OPTS, but the recommended way (as per catalina.sh) is to use CATALINA_OPTS:
# CATALINA_OPTS (Optional) Java runtime options used when the "start",
# "run" or "debug" command is executed.
# Include here and not in JAVA_OPTS all options, that should
# only be used by Tomcat itself, not by the stop process,
# the version command etc.
# Examples are heap size, GC logging, JMX ports etc.
# JAVA_OPTS (Optional) Java runtime options used when any command
# is executed.
# Include here and not in CATALINA_OPTS all options, that
# should be used by Tomcat and also by the stop process,
# the version command etc.
# Most options should go into CATALINA_OPTS.
Following document published by W3C also describes the differences between SOAP 1.1 and 1.2:
I ran into this problem when I inadvertently had a copy of the view file (About.cshtml) for the route /about in the root directory. (Not the views folder) Once I moved the file out of the root, the problem went away.
Not sure if it's worth anything, but I had a similar problem where I was getting a "java.sql.SQLException: No suitable driver found" error. I found this thread while researching a solution.
The way I ended up solving my problem was to forgo using java.sql.DriverManager to get a connection and instead built up an instance of org.hsqldb.jdbc.jdbcDataSource and used that.
The root cause of my problem (I believe) had to do with the classloader hierarchy and the fact that the JRE was running Java 5. Even though I could successfully load the jdbcDriver class, the classloader behind java.sql.DriverManager was higher up, to the point that it couldn't see the hsqldb.jar I needed.
Anyway, just putting this note here in case someone else stumbles by with a similar problem.
Compile the Release version as .exe file, then just copy onto a machine with a suitable version of .NET Framework installed and run it there. The .exe file is located in the bin\Release subfolder of the project folder.
After looking around on Google for a long time, trying out several solutions, both CSS, JavaScript and JQuery, i found that most of them were using an Image as the button. Some of them were hard to use, but i did manage to piece together something that ended out working out for me.
The important parts for me was:
This is the solution i came up with. And hope it can be of use to others as well.
Change the width of .file_input_textbox to change the width of the textbox.
Change the width of both .file_input_div, .file_input_button and .file_input_button_hover to change the width of the button. You might need to tweak a bit on the positions also. I never figured out why...
To test this solution, make a new html file and paste the content into it.
<html>
<head>
<style type="text/css">
.file_input_textbox {height:25px;width:200px;float:left; }
.file_input_div {position: relative;width:80px;height:26px;overflow: hidden; }
.file_input_button {width: 80px;position:absolute;top:0px;
border:1px solid #F0F0EE;padding:2px 8px 2px 8px; font-weight:bold; height:25px; margin:0px; margin-right:5px; }
.file_input_button_hover{width:80px;position:absolute;top:0px;
border:1px solid #0A246A; background-color:#B2BBD0;padding:2px 8px 2px 8px; height:25px; margin:0px; font-weight:bold; margin-right:5px; }
.file_input_hidden {font-size:45px;position:absolute;right:0px;top:0px;cursor:pointer;
opacity:0;filter:alpha(opacity=0);-ms-filter:"alpha(opacity=0)";-khtml-opacity:0;-moz-opacity:0; }
</style>
</head>
<body>
<input type="text" id="fileName" class="file_input_textbox" readonly="readonly">
<div class="file_input_div">
<input id="fileInputButton" type="button" value="Browse" class="file_input_button" />
<input type="file" class="file_input_hidden"
onchange="javascript: document.getElementById('fileName').value = this.value"
onmouseover="document.getElementById('fileInputButton').className='file_input_button_hover';"
onmouseout="document.getElementById('fileInputButton').className='file_input_button';" />
</div>
</body>
</html>
Indexing a list is done using double bracket, i.e. hypo_list[[1]]
(e.g. have a look here: http://www.r-tutor.com/r-introduction/list). BTW: read.table
does not return a table but a dataframe (see value section in ?read.table
). So you will have a list of dataframes, rather than a list of table objects. The principal mechanism is identical for tables and dataframes though.
Note: In R, the index for the first entry is a 1
(not 0
like in some other languages).
Dataframes
l <- list(anscombe, iris) # put dfs in list
l[[1]] # returns anscombe dataframe
anscombe[1:2, 2] # access first two rows and second column of dataset
[1] 10 8
l[[1]][1:2, 2] # the same but selecting the dataframe from the list first
[1] 10 8
Table objects
tbl1 <- table(sample(1:5, 50, rep=T))
tbl2 <- table(sample(1:5, 50, rep=T))
l <- list(tbl1, tbl2) # put tables in a list
tbl1[1:2] # access first two elements of table 1
Now with the list
l[[1]] # access first table from the list
1 2 3 4 5
9 11 12 9 9
l[[1]][1:2] # access first two elements in first table
1 2
9 11
I want to output a table where each column has the smallest possible width,
where columns are padded with white space (but this can be changed) and rows are separated by newlines (but this can be changed) and where each item is formatted using str
(but...).
def ftable(tbl, pad=' ', sep='\n', normalize=str):
# normalize the content to the most useful data type
strtbl = [[normalize(it) for it in row] for row in tbl]
# next, for each column we compute the maximum width needed
w = [0 for _ in tbl[0]]
for row in strtbl:
for ncol, it in enumerate(row):
w[ncol] = max(w[ncol], len(it))
# a string is built iterating on the rows and the items of `strtbl`:
# items are prepended white space to an uniform column width
# formatted items are `join`ed using `pad` (by default " ")
# eventually we join the rows using newlines and return
return sep.join(pad.join(' '*(wid-len(it))+it for wid, it in zip(w, row))
for row in strtbl)
The function signature, ftable(tbl, pad=' ', sep='\n', normalize=str)
, with its default arguments is intended to
provide for maximum flexibility.
You can customize
pad='&', sep='\\\\\n'
to have the bulk of a LaTeX table)str
but if
you know that all your data is floating point lambda item:
"%.4f"%item
could be a reasonable choice, etc.Superficial testing:
I need some test data, possibly involving columns of different width so that the algorithm needs to be a little more sophisticated (but just a little bit;)
In [1]: from random import randrange
In [2]: table = [[randrange(10**randrange(10)) for i in range(5)] for j in range(3)]
In [3]: table
Out[3]:
[[974413992, 510, 0, 3114, 1],
[863242961, 0, 94924, 782, 34],
[1060993, 62, 26076, 75832, 833174]]
In [4]: print(ftable(table))
974413992 510 0 3114 1
863242961 0 94924 782 34
1060993 62 26076 75832 833174
In [5]: print(ftable(table, pad='|'))
974413992|510| 0| 3114| 1
863242961| 0|94924| 782| 34
1060993| 62|26076|75832|833174
Split a string delimited by characters and return all non-empty elements.
var names = ",Brian,Joe,Chris,,,";
var charSeparator = ",";
var result = names.Split(charSeparator, StringSplitOptions.RemoveEmptyEntries);
https://docs.microsoft.com/en-us/dotnet/api/system.string.split?view=netframework-4.8
I found this maven
repo where you could download from directly a zip
file containing all the jars you need.
The solution I prefer is using Maven
, it is easy and you don't have to download each jar
alone. You can do it with the following steps:
Create an empty folder anywhere with any name you prefer, for example spring-source
Create a new file named pom.xml
Copy the xml below into this file
Open the spring-source
folder in your console
Run mvn install
After download finished, you'll find spring jars in /spring-source/target/dependencies
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>spring-source-download</groupId>
<artifactId>SpringDependencies</artifactId>
<version>1.0</version>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>3.2.4.RELEASE</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.8</version>
<executions>
<execution>
<id>download-dependencies</id>
<phase>generate-resources</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<outputDirectory>${project.build.directory}/dependencies</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
Also, if you need to download any other spring project, just copy the dependency
configuration from its corresponding web page.
For example, if you want to download Spring Web Flow
jars, go to its web page, and add its dependency
configuration to the pom.xml
dependencies
, then run mvn install
again.
<dependency>
<groupId>org.springframework.webflow</groupId>
<artifactId>spring-webflow</artifactId>
<version>2.3.2.RELEASE</version>
</dependency>
There are many ways to update the rows.
When it comes to UPDATE
the rows using subqueries, you can use any of these approaches.
UPDATE
<table1>
SET
customer=<table2>.customer,
address=<table2>.address,
partn=<table2>.partn
FROM
<table2>
WHERE
<table1>.address_id=<table2>.address_i;
Explanation:
table1
is the table which we want to update,table2
is the table, from which we'll get the value to be replaced/updated. We are usingFROM
clause, to fetch thetable2
's data.WHERE
clause will help to set the proper data mapping.
UPDATE
<table1>
SET
customer=subquery.customer,
address=subquery.address,
partn=subquery.partn
FROM
(
SELECT
address_id, customer, address, partn
FROM /* big hairy SQL */ ...
) AS subquery
WHERE
dummy.address_id=subquery.address_id;
Explanation: Here we are using subquerie inside the
FROM
clause, and giving an alias to it. So that it will act like the table.
UPDATE
<table1>
SET
customer=<table2>.customer,
address=<table2>.address,
partn=<table2>.partn
FROM
<table2> as t2
JOIN <table3> as t3
ON
t2.id = t3.id
WHERE
<table1>.address_id=<table2>.address_i;
Explanation: Sometimes we face the situation in that table join is so important to get proper data for the update. To do so, Postgres allows us to Join multiple tables inside the
FROM
clause.
Approach-4 [Using WITH statement]
WITH subquery AS (
SELECT
address_id,
customer,
address,
partn
FROM
<table1>;
)
UPDATE <table-X>
SET customer = subquery.customer,
address = subquery.address,
partn = subquery.partn
FROM subquery
WHERE <table-X>.address_id = subquery.address_id;
WITH subquery AS (
SELECT address_id, customer, address, partn
FROM
<table1> as t1
JOIN
<table2> as t2
ON
t1.id = t2.id;
-- You can build as COMPLEX as this query as per your need.
)
UPDATE <table-X>
SET customer = subquery.customer,
address = subquery.address,
partn = subquery.partn
FROM subquery
WHERE <table-X>.address_id = subquery.address_id;
Explanation: From Postgres 9.1, this(
WITH
) concept has been introduces. Using that We can make any complex queries and generate desire result. Here we are using this approach to update the table.
I hope, this would be helpful.
I just tested this extremely simple method and it works perfectly--but I use the built-in Administrator account, so I don't have to jump through hoops for elevated privileges.
The following batch file relieves the user of the need to move files in/out of system folders. It also leaves it up to Windows to apply the proper version of Regsvr32
.
INSTRUCTIONS:
In the folder that contains the library (-.dll
or -.ax
) file you wish to register, open a new text file and paste in ONE of the routines below :
echo BEGIN DRAG-AND-DROP %n1 REGISTRAR FOR 64-BIT SYSTEMS
copy %1 C:\Windows\System32
regsvr32 "%nx1"
echo END BATCH FILE
pause
echo BEGIN DRAG-AND-DROP %n1 REGISTRAR FOR 32-BIT SYSTEMS
copy %1 C:\Windows\SysWOW64
regsvr32 "%nx1"
echo END BATCH FILE
pause
Save your new text file as a batch (-.bat
) file; then simply drag-and-drop your -.dll
or -.ax
file on top of the batch file.
If UAC doesn't give you the opportunity to run the batch file as an Administrator, you may need to manually elevate privileges (instructions are for Windows 7):
Create shortcut
;Properties
;Compatibility
tab;Run this program as administrator
;-.dll
or -.ax
file on top of the new shortcut instead of the batch file.That's it. I chose COPY
instead of MOVE
to prevent the failure of any UAC-related follow-up attempt(s). Successful registration should be followed by deletion of the original library (-.dll
or -.ax
) file.
Don't worry about copies made to the system folder (C:\Windows\System32
or C:\Windows\SysWOW64
) by previous passes--they will be overwritten every time you run the batch file.
Unless you ran the wrong batch file, in which case you will probably want to delete the copy made to the wrong system folder (C:\Windows\System32
or C:\Windows\SysWOW64
) before running the proper batch file, ...or...
Help Windows choose the right library file to register by fully-qualifying its directory location.
C:\Windows\System32
C:\Windows\SysWOW64
%nx1
regsvr32 "C:\Windows\System32\%nx1"
regsvr32 "C:\Windows\SysWOW64\%nx1"
%nx1
from system folder pathRun this shotgun batch file, which will (in order):
C:\Windows\System32
;C:\Windows\System32
;C:\Windows\SystemWOW64
On Several occasions, we would need comma separated list of all the columns from a table in a schema. In such cases we can use this generic function which fetches the comma separated list as a string.
CREATE OR REPLACE FUNCTION cols(
p_schema_name IN VARCHAR2,
p_table_name IN VARCHAR2)
RETURN VARCHAR2
IS
v_string VARCHAR2(4000);
BEGIN
SELECT LISTAGG(COLUMN_NAME , ',' ) WITHIN GROUP (
ORDER BY ROWNUM )
INTO v_string
FROM ALL_TAB_COLUMNS
WHERE OWNER = p_schema_name
AND table_name = p_table_name;
RETURN v_string;
END;
/
So, simply calling the function from the query yields a row with all the columns.
select cols('HR','EMPLOYEES') FROM DUAL;
EMPLOYEE_ID,FIRST_NAME,LAST_NAME,EMAIL,PHONE_NUMBER,HIRE_DATE,JOB_ID,SALARY,COMMISSION_PCT,MANAGER_ID,DEPARTMENT_ID
Note: LISTAGG
will fail if the combined length of all columns exceed 4000
characters which is rare. For most cases , this will work.
This worked for me in TFS MSBuild Argument. Note the number of slashes.
/p:DefaultPackageOutputDir="\\Rdevnet\Visual Studio Projects\Insurance\"
For a ASP.NET MVC implementation, look at SignalR which is available on NuGet.. note that the NuGet is often out of date from the Git source which gets very frequent commits.
Read more about SignalR on a blog on by Scott Hanselman
Delete
.settings
.classpatch
.projejct
target
and import again the maven project.
use:
<input type="image" src=".."/>
or:
<button type="send"><img src=".."/> + any html code</button>
plus some CSS
Used these lines:
AccountManager manager = AccountManager.get(this);
Account[] accounts = manager.getAccountsByType("com.google");
the length of array accounts is always 0.
In fact, in common usage, word has become synonymous with 16 bits, much like byte has with 8 bits. Can get a little confusing since the "word size" on a 32-bit CPU is 32-bits, but when talking about a word of data, one would mean 16-bits. Microcontrollers with a 32-bit word size have taken to calling their instructions "longs" (supposedly to try and avoid the word/doubleword confusion).
First, it is just a presentation of the float
number you see in the debugger. The real value is approximately exact (as much as it's possible).
Note: Use always CultureInfo information when dealing with floating point numbers versus strings.
float.Parse("41.00027357629127",
System.Globalization.CultureInfo.InvariantCulture);
This is just an example; choose an appropriate culture for your case.
Hibernate queries are case sensitive with property names (because they end up relying on getter/setter methods on the @Entity
).
Make sure you refer to the property as fileName
in the Criteria query, not filename
.
Specifically, Hibernate will call the getter method of the filename
property when executing that Criteria query, so it will look for a method called getFilename()
. But the property is called FileName
and the getter getFileName()
.
So, change the projection like so:
criteria.setProjection(Projections.property("fileName"));
Try:
$group = Get-ADGroup -Identity your-group-name -Properties *
$group.members | count
This worked for me for a group with over 17000 members.
ColumnNames
is a property of type List<String>
so when you are setting up you need to pass a List<String>
in the Returns
call as an argument (or a func which return a List<String>
)
But with this line you are trying to return just a string
input.SetupGet(x => x.ColumnNames).Returns(temp[0]);
which is causing the exception.
Change it to return whole list:
input.SetupGet(x => x.ColumnNames).Returns(temp);
git checkout YOUR_RELEASE_BRANCH
git pull
git checkout -b A_NEW_BRANCH
git merge --squash YOUR_BRANCH_WITH_MULTIPLE_COMMITS
git commit -am "squashing all commits into one"
git push --set-upstream origin A_NEW_BRANCH
Based on your comment to Issun:
Thanks for the explanation. In my case, The object is declared and created prior to the If condition. So, How do I use If condition to check for < No Variables> ? In other words, I do not want to execute My_Object.Compute if My_Object has < No Variables>
You need to check one of the properties of the object. Without telling us what the object is, we cannot help you.
I did test several common objects and found that an instantiated Collection
with no items added shows <No Variables>
in the watch window. If your object is indeed a collection, you can check for the <No Variables>
condition using the .Count
property:
Sub TestObj()
Dim Obj As Object
Set Obj = New Collection
If Obj Is Nothing Then
Debug.Print "Object not instantiated"
Else
If Obj.Count = 0 Then
Debug.Print "<No Variables> (ie, no items added to the collection)"
Else
Debug.Print "Object instantiated and at least one item added"
End If
End If
End Sub
It is also worth noting that if you declare any object As New
then the Is Nothing
check becomes useless. The reason is that when you declare an object As New
then it gets created automatically when it is first called, even if the first time you call it is to see if it exists!
Dim MyObject As New Collection
If MyObject Is Nothing Then ' <--- This check always returns False
This does not seem to be the cause of your specific problem. But, since others may find this question through a Google search, I wanted to include it because it is a common beginner mistake.
Maybe a better solution would be to add an extra column that is automatically set to 1 on each row. As soon as there is an element that is not null change it to a 0.
then
If(drEntitity.rows[i].coulmn[8] = 1)
{
dtEntity.Rows.Add(drEntity);
}
else
{
//don't add, will create a new one (drEntity = dtEntity.NewRow();)
}
This is all generally covered by Section 23.3.2 of SystemVerilog IEEE Std 1800-2012.
The simplest way is to instantiate in the main section of top, creating a named instance and wiring the ports up in order:
module top(
input clk,
input rst_n,
input enable,
input [9:0] data_rx_1,
input [9:0] data_rx_2,
output [9:0] data_tx_2
);
subcomponent subcomponent_instance_name (
clk, rst_n, data_rx_1, data_tx );
endmodule
This is described in Section 23.3.2.1 of SystemVerilog IEEE Std 1800-2012.
This has a few draw backs especially regarding the port order of the subcomponent code. simple refactoring here can break connectivity or change behaviour. for example if some one else fixs a bug and reorders the ports for some reason, switching the clk and reset order. There will be no connectivity issue from your compiler but will not work as intended.
module subcomponent(
input rst_n,
input clk,
...
It is therefore recommended to connect using named ports, this also helps tracing connectivity of wires in the code.
module top(
input clk,
input rst_n,
input enable,
input [9:0] data_rx_1,
input [9:0] data_rx_2,
output [9:0] data_tx_2
);
subcomponent subcomponent_instance_name (
.clk(clk), .rst_n(rst_n), .data_rx(data_rx_1), .data_tx(data_tx) );
endmodule
This is described in Section 23.3.2.2 of SystemVerilog IEEE Std 1800-2012.
Giving each port its own line and indenting correctly adds to the readability and code quality.
subcomponent subcomponent_instance_name (
.clk ( clk ), // input
.rst_n ( rst_n ), // input
.data_rx ( data_rx_1 ), // input [9:0]
.data_tx ( data_tx ) // output [9:0]
);
So far all the connections that have been made have reused inputs and output to the sub module and no connectivity wires have been created. What happens if we are to take outputs from one component to another:
clk_gen(
.clk ( clk_sub ), // output
.en ( enable ) // input
subcomponent subcomponent_instance_name (
.clk ( clk_sub ), // input
.rst_n ( rst_n ), // input
.data_rx ( data_rx_1 ), // input [9:0]
.data_tx ( data_tx ) // output [9:0]
);
This nominally works as a wire for clk_sub is automatically created, there is a danger to relying on this. it will only ever create a 1 bit wire by default. An example where this is a problem would be for the data:
Note that the instance name for the second component has been changed
subcomponent subcomponent_instance_name (
.clk ( clk_sub ), // input
.rst_n ( rst_n ), // input
.data_rx ( data_rx_1 ), // input [9:0]
.data_tx ( data_temp ) // output [9:0]
);
subcomponent subcomponent_instance_name2 (
.clk ( clk_sub ), // input
.rst_n ( rst_n ), // input
.data_rx ( data_temp ), // input [9:0]
.data_tx ( data_tx ) // output [9:0]
);
The issue with the above code is that data_temp is only 1 bit wide, there would be a compile warning about port width mismatch. The connectivity wire needs to be created and a width specified. I would recommend that all connectivity wires be explicitly written out.
wire [9:0] data_temp
subcomponent subcomponent_instance_name (
.clk ( clk_sub ), // input
.rst_n ( rst_n ), // input
.data_rx ( data_rx_1 ), // input [9:0]
.data_tx ( data_temp ) // output [9:0]
);
subcomponent subcomponent_instance_name2 (
.clk ( clk_sub ), // input
.rst_n ( rst_n ), // input
.data_rx ( data_temp ), // input [9:0]
.data_tx ( data_tx ) // output [9:0]
);
Moving to SystemVerilog there are a few tricks available that save typing a handful of characters. I believe that they hinder the code readability and can make it harder to find bugs.
Use .port
with no brackets to connect to a wire/reg of the same name. This can look neat especially with lots of clk and resets but at some levels you may generate different clocks or resets or you actually do not want to connect to the signal of the same name but a modified one and this can lead to wiring bugs that are not obvious to the eye.
module top(
input clk,
input rst_n,
input enable,
input [9:0] data_rx_1,
input [9:0] data_rx_2,
output [9:0] data_tx_2
);
subcomponent subcomponent_instance_name (
.clk, // input **Auto connect**
.rst_n, // input **Auto connect**
.data_rx ( data_rx_1 ), // input [9:0]
.data_tx ( data_tx ) // output [9:0]
);
endmodule
This is described in Section 23.3.2.3 of SystemVerilog IEEE Std 1800-2012.
Another trick that I think is even worse than the one above is .*
which connects unmentioned ports to signals of the same wire. I consider this to be quite dangerous in production code. It is not obvious when new ports have been added and are missing or that they might accidentally get connected if the new port name had a counter part in the instancing level, they get auto connected and no warning would be generated.
subcomponent subcomponent_instance_name (
.*, // **Auto connect**
.data_rx ( data_rx_1 ), // input [9:0]
.data_tx ( data_tx ) // output [9:0]
);
This is described in Section 23.3.2.4 of SystemVerilog IEEE Std 1800-2012.
Worth to note, you will probably use those lots more than in similar concepts in relational world (composite keys).
Example - suppose you have to find last N users who recently joined user group X. How would you do this efficiently given reads are predominant in this case? Like that (from offical Cassandra guide):
CREATE TABLE group_join_dates (
groupname text,
joined timeuuid,
join_date text,
username text,
email text,
age int,
PRIMARY KEY ((groupname, join_date), joined)
) WITH CLUSTERING ORDER BY (joined DESC)
Here, partitioning key is compound itself and the clustering key is a joined date. The reason why a clustering key is a join date is that results are already sorted (and stored, which makes lookups fast). But why do we use a compound key for partitioning key? Because we always want to read as few partitions as possible. How putting join_date in there helps? Now users from the same group and the same join date will reside in a single partition! This means we will always read as few partitions as possible (first start with the newest, then move to older and so on, rather than jumping between them).
In fact, in extreme cases you would also need to use the hash of a join_date rather than a join_date alone - so that if you query for last 3 days often those share the same hash and therefore are available from same partition!
Baseline Expectations
Taken from Dilbert.com, Sept 12 2008
For anyone who is facing this problem with Spring Boot 2
by default spring boot was using hibernate 5.3.x version, I have added following property in my pom.xml
<hibernate.version>5.4.2.Final</hibernate.version>
and error was gone. Reason for error is already explained in posts above
I am looking for this kind of solution for my self as well. I found reference in terms aggregation.
So, according to that following is the proper solution.
{
"aggs" : {
"langs" : {
"terms" : { "field" : "language",
"size" : 500 }
}
}}
But if you ran into following error:
"error": {
"root_cause": [
{
"type": "illegal_argument_exception",
"reason": "Fielddata is disabled on text fields by default. Set fielddata=true on [fastest_method] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead."
}
]}
In that case, you have to add "KEYWORD" in the request, like following:
{
"aggs" : {
"langs" : {
"terms" : { "field" : "language.keyword",
"size" : 500 }
}
}}
Using SQL Server 2008
declare @Seconds as int = 3600;
SELECT CONVERT(time(0), DATEADD(SECOND, @Seconds, 0)) as 'hh:mm:ss'
In EF6
Add-Migration Initial
.This is my attempt using Qt: https://github.com/carlonluca/lqobjectserializer. A JSON like this:
{"menu": {
"header": "SVG Viewer",
"items": [
{"id": "Open"},
{"id": "OpenNew", "label": "Open New"},
null,
{"id": "ZoomIn", "label": "Zoom In"},
{"id": "ZoomOut", "label": "Zoom Out"},
{"id": "OriginalView", "label": "Original View"},
null,
{"id": "Quality"},
{"id": "Pause"},
{"id": "Mute"},
null,
{"id": "Find", "label": "Find..."},
{"id": "FindAgain", "label": "Find Again"},
{"id": "Copy"},
{"id": "CopyAgain", "label": "Copy Again"},
{"id": "CopySVG", "label": "Copy SVG"},
{"id": "ViewSVG", "label": "View SVG"},
{"id": "ViewSource", "label": "View Source"},
{"id": "SaveAs", "label": "Save As"},
null,
{"id": "Help"},
{"id": "About", "label": "About Adobe CVG Viewer..."}
]
}}
can be deserialized by declaring classes like these:
L_BEGIN_CLASS(Item)
L_RW_PROP(QString, id, setId, QString())
L_RW_PROP(QString, label, setLabel, QString())
L_END_CLASS
L_BEGIN_CLASS(Menu)
L_RW_PROP(QString, header, setHeader)
L_RW_PROP_ARRAY_WITH_ADDER(Item*, items, setItems)
L_END_CLASS
L_BEGIN_CLASS(MenuRoot)
L_RW_PROP(Menu*, menu, setMenu, nullptr)
L_END_CLASS
and writing writing:
LDeserializer<MenuRoot> deserializer;
QScopedPointer<MenuRoot> g(deserializer.deserialize(jsonString));
You also need to inject mappings for meta objects once:
QHash<QString, QMetaObject> factory {
{ QSL("Item*"), Item::staticMetaObject },
{ QSL("Menu*"), Menu::staticMetaObject }
};
I'm looking for a way to avoid this.
The best way to do it depends on your specific use-case.
However, if we speak for the general best practices for implementing a CSS Wrapper, here is my proposal: introduce an additional <div>
element with the following class:
/**
* 1. Center the content. Yes, that's a bit opinionated.
* 2. Use `max-width` instead `width`
* 3. Add padding on the sides.
*/
.wrapper {
margin-right: auto; /* 1 */
margin-left: auto; /* 1 */
max-width: 960px; /* 2 */
padding-right: 10px; /* 3 */
padding-left: 10px; /* 3 */
}
... for those of you, who want to understand why, here are the 4 big reasons I see:
max-width
instead width
In the answer currently accepted Aron says width
. I disagree and I propose max-width
instead.
Setting the width
of a block-level element will prevent it from stretching out to the edges of its container. Therefore, the Wrapper element will take up the specified width. The problem occurs when the browser window is smaller than the width of the element. The browser then adds a horizontal scrollbar to the page.
Using max-width instead, in this situation, will improve the browser's handling of small windows. This is important when making a site usable on small devices. Here’s a good example showcasing the problem:
/**_x000D_
* The problem with this one occurs_x000D_
* when the browser window is smaller than 960px._x000D_
* The browser then adds a horizontal scrollbar to the page._x000D_
*/_x000D_
.width {_x000D_
width: 960px;_x000D_
margin-left: auto;_x000D_
margin-right: auto;_x000D_
border: 3px solid #73AD21;_x000D_
}_x000D_
_x000D_
/**_x000D_
* Using max-width instead, in this situation,_x000D_
* will improve the browser's handling of small windows._x000D_
* This is important when making a site usable on small devices._x000D_
*/_x000D_
.max-width {_x000D_
max-width: 960px;_x000D_
margin-left: auto;_x000D_
margin-right: auto;_x000D_
border: 3px solid #73AD21;_x000D_
}_x000D_
_x000D_
/**_x000D_
* Credits for the tip: W3Schools_x000D_
* https://www.w3schools.com/css/css_max-width.asp_x000D_
*/
_x000D_
<div class="width">This div element has width: 960px;</div>_x000D_
<br />_x000D_
_x000D_
<div class="max-width">This div element has max-width: 960px;</div>
_x000D_
So in terms of Responsiveness, is seems like max-width
is the better choice!-
I’ve seen a lot of developers still forget one edge case. Let’s say we have a Wrapper with max-width
set to 980px. The edge case appears when the user’s device screen width is exactly 980px. The content then will exactly glue to the edges of the screen with not any breathing space left.
Generally, we’d want to have a bit of padding on the sides. That’s why if I need to implement a Wrapper with a total width of 980px, I’d do it like so:
.wrapper {
max-width: 960px; /** 20px smaller, to fit the paddings on the sides */
padding-right: 10px;
padding-left: 10px;
/** ... omitted for brevity */
}
Therefore, that’s why adding padding-left
and padding-right
to your Wrapper might be a good idea, especially on mobile.
<div>
Instead of a <section>
By definition, the Wrapper has no semantic meaning. It simply holds all visual elements and content on the page. It’s just a generic container. Therefore, in terms of semantics, <div>
is the best choice.
One might wonder if maybe a <section>
element could fit this purpose. However, here’s what the W3C spec says:
The element is not a generic container element. When an element is needed only for styling purposes or as a convenience for scripting, authors are encouraged to use the div element instead. A general rule is that the section element is appropriate only if the element's contents would be listed explicitly in the document's outline.
The <section>
element carries it’s own semantics. It represents a thematic grouping of content. The theme of each section should be identified, typically by including a heading (h1-h6 element) as a child of the section element.
Examples of sections would be chapters, the various tabbed pages in a tabbed dialog box, or the numbered sections of a thesis. A Web site's home page could be split into sections for an introduction, news items, and contact information.
It might not seem very obvious at first sight, but yes! The plain old <div>
fits best for a Wrapper!
<body>
Tag vs. Using an Additional <div>
Here's a related question. Yes, there are some instances where you could simply use the <body>
element as a wrapper. However, I wouldn’t recommend you to do so, simply due to flexibility and resilience to changes.
Here's an use-case that illustrates a possible issue: Imagine if on a later stage of the project you need to enforce a footer to "stick" to the end of the document (bottom of the viewport when the document is short). Even if you can use the most modern way to do it - with Flexbox, I guess you need an additional Wrapper <div>
.
I would conclude it is still best practice to have an additional <div>
for implementing a CSS Wrapper. This way if spec requirements change later on you don't have to add the Wrapper later and deal with moving the styles around a lot. After all, we're only talking about 1 extra DOM element.
Yes, it is. And it is supported in all major browser:
var ts = Date.parse("date string");
The only difference is that this function returns milliseconds instead of seconds, so you need to divide the result by 1000.
use this
SELECT weight INTO @x FROM p_status where tcount=['value'] LIMIT 1;
tested and workes fine...
If you want to use the GUI... click/double-click the table and select the Data
tab. Click in the column value you want to set to (null)
. Select the value and delete it. Hit the commit button (green check-mark button). It should now be null.
More info here:
How to use the SQL Worksheet in SQL Developer to Insert, Update and Delete Data
For people running windows server with mysql as a service, an easy way to find out what config file you are running is to open up the services control panel, find your mysql service (in my case 'MYSQL56'), right click and click properties. Then from here you can check the "Path to Executable" which should have a defaults-file
switch which points to where your config file is.
Type in cmd.exe Powershell -Help
and see the examples.
This might help someone like me that finds this answer when searching for solutions to how Rails handles the class loading ... I found that I had to define a module
whose name matched my filename appropriately, rather than just defining a class:
In file lib/development_mail_interceptor.rb (Yes, I'm using code from a Railscast :))
module DevelopmentMailInterceptor
class DevelopmentMailInterceptor
def self.delivering_email(message)
message.subject = "intercepted for: #{message.to} #{message.subject}"
message.to = "[email protected]"
end
end
end
works, but it doesn't load if I hadn't put the class inside a module.
First of all, you do not have to develop any form yourself : phpMyAdmin, depending on its configuration (i.e. config.inc.php
) will display an identification form, asking for a login and password.
To get that form, you should not use :
$cfg['Servers'][$i]['auth_type'] = 'config';
But you should use :
$cfg['Servers'][$i]['auth_type'] = 'cookie';
(At least, that's what I have on a server which prompts for login/password, using a form)
For more informations, you can take a look at the documentation :
'config'
authentication ($auth_type = 'config'
) is the plain old way: username and password are stored in config.inc.php.'cookie'
authentication mode ($auth_type = 'cookie'
) as introduced in 2.2.3 allows you to log in as any valid MySQL user with the help of cookies.
Username and password are stored in cookies during the session and password is deleted when it ends.
This worked for me:
list.stream().distinct().collect(Collectors.toList());
You need to implement equals, of course
It’s about time someone provides the modern answer. The modern solution uses java.time, the modern Java date and time API. The classes SimpleDateFormat
and Date
used in the question and in a couple of the other answers are poorly designed and long outdated, the former in particular notoriously troublesome. TimeZone
is poorly designed to. I recommend you avoid those.
ZoneId utc = ZoneId.of("Etc/UTC");
DateTimeFormatter targetFormatter = DateTimeFormatter.ofPattern(
"MM/dd/yyyy hh:mm:ss a zzz", Locale.ENGLISH);
String itsAlarmDttm = "2013-10-22T01:37:56";
ZonedDateTime utcDateTime = LocalDateTime.parse(itsAlarmDttm)
.atZone(ZoneId.systemDefault())
.withZoneSameInstant(utc);
String formatterUtcDateTime = utcDateTime.format(targetFormatter);
System.out.println(formatterUtcDateTime);
When running in my time zone, Europe/Copenhagen, the output is:
10/21/2013 11:37:56 PM UTC
I have assumed that the string you got was in the default time zone of your JVM, a fragile assumption since that default setting can be changed at any time from another part of your program or another programming running in the same JVM. If you can, instead specify time zone explicitly, for example ZoneId.of("Europe/Podgorica")
or ZoneId.of("Asia/Kolkata")
.
I am exploiting the fact that you string is in ISO 8601 format, the format the the modern classes parse as their default, that is, without any explicit formatter.
I am using a ZonedDateTime
for the result date-time because it allows us to format it with UTC
in the formatted string to eliminate any and all doubt. For other purposes one would typically have wanted an OffsetDateTime
or an Instant
instead.
You can edit the page in SharePoint designer, convert the List View web part to an XSLT Data View. (by right click + "Convert to XSLT Data View").
Then you can edit the XSLT - find the A
tag and add an attribute target="_blank"
Addition to @hasen's answer. You might want to use git ls-files
instead of find
to list files to checkout like:
git ls-files -z *.txt | git checkout-index --prefix=/path-to/dest/ -f -z --stdin
git ls-files
ignores uncommitted files.
You can use contains:
string[] example = { "sample1", "sample2" };
var result = (from c in example where c.Contains("2") select c);
// returns only sample2
Use a 1 by 1 GridLayout on the existing JPanel, then add your Panel to that JPanel. The only problem with a GridLayout that's 1 by 1 is that you won't be able to place other items on the JPanel. In this case, you will have to figure out a layout that is suitable. Each panel that you use can use their own layout so that wouldn't be a problem.
Am I understanding this question correctly?
You can use this AWS cli command to download entire S3 bucket content to local folder
aws s3 sync s3://your-bucket-name "Local Folder Path"
If you see error like this
fatal error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:581)
--no-verify-ssl (boolean)
By default, the AWS CLI uses SSL when communicating with AWS services. For each SSL connection, the AWS CLI will verify SSL certificates. This option overrides the default behavior of verifying SSL certificates. reference
Use this tag with command --no-verify-ssl
aws s3 sync s3://your-bucket-name "Local Folder Path" --no-verify-ssl
Use this simple function for date comparison
-(BOOL)dateComparision:(NSDate*)date1 andDate2:(NSDate*)date2{
BOOL isTokonValid;
if ([date1 compare:date2] == NSOrderedDescending) {
NSLog(@"date1 is later than date2");
isTokonValid = YES;
} else if ([date1 compare:date2] == NSOrderedAscending) {
NSLog(@"date1 is earlier than date2");
isTokonValid = NO;
} else {
isTokonValid = NO;
NSLog(@"dates are the same");
}
return isTokonValid;}
If you use VisualSVN Server, you can find out the version number by several different means.
Follow these steps to find out the version via the management console:
If you click Version you will also see the versions of the components.
Follow these steps to find out the version from the readme.txt file:
Since we're in the PowerShell area, it's extra useful if we can return a proper PowerShell object ...
I personally like this method of parsing, for the terseness:
((quser) -replace '^>', '') -replace '\s{2,}', ',' | ConvertFrom-Csv
Note: this doesn't account for disconnected ("disc") users, but works well if you just want to get a quick list of users and don't care about the rest of the information. I just wanted a list and didn't care if they were currently disconnected.
If you do care about the rest of the data it's just a little more complex:
(((quser) -replace '^>', '') -replace '\s{2,}', ',').Trim() | ForEach-Object {
if ($_.Split(',').Count -eq 5) {
Write-Output ($_ -replace '(^[^,]+)', '$1,')
} else {
Write-Output $_
}
} | ConvertFrom-Csv
I take it a step farther and give you a very clean object on my blog.
I have had a complex multi-level sliding panel interface, with disabled screen layer. Creating directive on disable screen layer that would create click event to execute the state like
$state.go('account.stream.social.view');
were producing a flicking effect. history.back() instead of it worked ok, however its not always back in history in my case. SO what I find out is that if I simply create attribute href on my disable screen instead of state.go , worked like a charm.
<a class="disable-screen" back></a>
Directive 'back'
app.directive('back', [ '$rootScope', function($rootScope) {
return {
restrict : 'A',
link : function(scope, element, attrs) {
element.attr('href', $rootScope.previousState.replace(/\./gi, '/'));
}
};
} ]);
app.js I just save previous state
app.run(function($rootScope, $state) {
$rootScope.$on("$stateChangeStart", function(event, toState, toParams, fromState, fromParams) {
$rootScope.previousState = fromState.name;
$rootScope.currentState = toState.name;
});
});
It's under "GCC 4.2 Preprocessing" (or just put "prepro" in the search box)...
...however, for the life of me I can't get it to work.
I have my standard Debug and Release configurations, and I want to define DEBUG=1 in the debugging configuration. But after adding it as a value:
(in the settings window) > Preprocessor Macros : DEBUG=1
#if DEBUG
printf("DEBUG is set!");
#endif
...never prints/gets called. It's driving me crazy...
SQL supports qualifying a column by prefixing the reference with either the full table name:
SELECT tbl_names.id, tbl_section.id, name, section
FROM tbl_names
JOIN tbl_section ON tbl_section.id = tbl_names.id
...or a table alias:
SELECT n.id, s.id, n.name, s.section
FROM tbl_names n
JOIN tbl_section s ON s.id = n.id
The table alias is the recommended approach -- why type more than you have to?
Secondly, my answers use ANSI-92 JOIN syntax (yours is ANSI-89). While they perform the same, ANSI-89 syntax does not support OUTER joins (RIGHT, LEFT, FULL). ANSI-89 syntax should be considered deprecated, there are many on SO who will not vote for ANSI-89 syntax to reinforce that. For more information, see this question.
use a double %%
It only opens the first (bookmarked) page full screen. Any next page will be opened WITH the address bar visible again. Whatever meta tag you put into your page header...
If you have C++11, you can use std::to_string
.
Example:
std::string name = "John";
int age = 21;
name += std::to_string(age);
std::cout << name;
Output:
John21
Initializer block is just like any bits of code; it's not "attached" to any field/method preceding it. To assign values to fields, you have to explicitly use the field as the lhs of an assignment statement.
private int lineCount; {
try{
lineCount = LineCounter.countLines(sFileName);
/*^^^^^^^*/
}
catch(IOException ex){
System.out.println (ex.toString());
System.out.println("Could not find file " + sFileName);
}
}
Also, your countLines
can be made simpler:
public static int countLines(String filename) throws IOException {
LineNumberReader reader = new LineNumberReader(new FileReader(filename));
while (reader.readLine() != null) {}
reader.close();
return reader.getLineNumber();
}
Based on my test, it looks like you can getLineNumber()
after close()
.
If you are using ES8
For this case only it will work perfectly fine. It will give you value array of the given enum.
enum Colors {
WHITE = 0,
BLACK = 1,
BLUE = 3
}
const colorValueArray = Object.values(Colors); //[ 'WHITE', 'BLACK', 'BLUE', 0, 1, 3 ]
You will get colorValueArray
like this [ 'WHITE', 'BLACK', 'BLUE', 0, 1, 3 ]
. All the keys will be in first half of the array and all the values in second half.
Even this kind of enum will work fine
enum Operation {
READ,
WRITE,
EXECUTE
}
But this solution will not work for Heterogeneous enums like this
enum BooleanLikeHeterogeneousEnum {
No = 0,
Yes = "YES",
}
Simply casting the string as an int
won't work reliably. You need to convert it to an int32
. For this you can use the .NET convert
class and its ToInt32
method. The method requires a string
($strNum
) as the main input, and the base number
(10
) for the number system to convert to. This is because you can not only convert to the decimal system (the 10
base number), but also to, for example, the binary system (base 2).
Give this method a try:
[string]$strNum = "1.500"
[int]$intNum = [convert]::ToInt32($strNum, 10)
$intNum
You should always use "throw;" to rethrow the exceptions in .NET,
Refer this, http://weblogs.asp.net/bhouse/archive/2004/11/30/272297.aspx
Basically MSIL (CIL) has two instructions - "throw" and "rethrow" and C#'s "throw ex;" gets compiled into MSIL's "throw" and C#'s "throw;" - into MSIL "rethrow"! Basically I can see the reason why "throw ex" overrides the stack trace.
Basically <key>ITSAppUsesNonExemptEncryption</key><false/>
stands for a Boolean value equal to NO.
Update by @JosepH: This value means that the app uses no encryption, or only exempt encryption. If your app uses encryption and is not exempt, you must set this value to YES/true.
It seems debatable sometimes when an app is considered to use encryption.
GitHub now has a feature to import from an SVN repository. I never tried it, though.
This is the bit of code you need at the top of your JavaScript file:
<?php
header('Content-Type: text/javascript; charset=UTF-8');
?>
(function() {
alert("hello world");
}) ();
It's not possible in CSS at the moment, unless you want to select a child or sibling element (trivial and described in other answers here).
For all other cases you'll need JavaScript. jQuery and frameworks like Angular can tackle this problem with relative ease.
[Edit]
With the new CSS (4) selector :has(), you'll be able to target parent elements/classes, making a CSS-Only solution viable in the near future!
Use a JSON parser, like JSON.NET
string json = "{ \"Atlantic/Canary\": \"GMT Standard Time\", \"Europe/Lisbon\": \"GMT Standard Time\", \"Antarctica/Mawson\": \"West Asia Standard Time\", \"Etc/GMT+3\": \"SA Eastern Standard Time\", \"Etc/GMT+2\": \"UTC-02\", \"Etc/GMT+1\": \"Cape Verde Standard Time\", \"Etc/GMT+7\": \"US Mountain Standard Time\", \"Etc/GMT+6\": \"Central America Standard Time\", \"Etc/GMT+5\": \"SA Pacific Standard Time\", \"Etc/GMT+4\": \"SA Western Standard Time\", \"Pacific/Wallis\": \"UTC+12\", \"Europe/Skopje\": \"Central European Standard Time\", \"America/Coral_Harbour\": \"SA Pacific Standard Time\", \"Asia/Dhaka\": \"Bangladesh Standard Time\", \"America/St_Lucia\": \"SA Western Standard Time\", \"Asia/Kashgar\": \"China Standard Time\", \"America/Phoenix\": \"US Mountain Standard Time\", \"Asia/Kuwait\": \"Arab Standard Time\" }";
var data = (JObject)JsonConvert.DeserializeObject(json);
string timeZone = data["Atlantic/Canary"].Value<string>();
I got same error because I was trying to run on
XXX-Macmini:Python-Project XXX.XXX$ from classDemo import MyClass
from: can't read /var/mail/classDemo
To solve this, type command python and when you get these >>> then run any python commands
>>>from classDemo import MyClass
>>>f = MyClass()
Try to Clean
your solution and then try once again.
It will definitely work. Because every thing in code seems to be ok.
Go through this link for cleaning solution>
http://social.msdn.microsoft.com/Forums/en-US/vsdebug/thread/e53aab69-75b9-434a-bde3-74ca0865c165/
The proper way to login into mongo shell is
mongo localhost:27017 -u 'uuuuu' -p '>xxxxxx' --authenticationDatabase dbname
Replace var appDelegate : AppDelegate?
with
let appDelegate = UIApplication.sharedApplication().delegate
as hinted on the second commented line in viewDidLoad()
.
The keyword "optional" refers exactly to the use of ?
, see this for more details.
Limit - 30 symbols. Username must contains only letters, numbers, periods and underscores.
Alternatively you can just create a tunnel to the server:
ssh -i <your_key> <user@server-instance> -L 8888:127.0.0.1:8888
Then just open 127.0.0.1:8888
in your browser.
You also omit the -i <your_key>
if you don't have an identity_file.
Usually a good place to start when you run into problems is the manual. The page on configuring email explains that there's a big difference between the PHP mail command running on MSWindows and on every other operating system; it's a good idea when posting a question to provide relevant information on how that part of your system is configured and what operating system it is running on.
Your PHP is configured to talk to an SMTP server - the default for an MSWindows machine, but either you have no MTA installed or it's blocking connections. While for a commercial website running your own MTA robably comes quite high on the list of things to do, it is not a trivial exercise - you really need to know what you're doing to get one configured and running securely. It would make a lot more sense in your case to use a service configured and managed by someone else.
Since you'll be connecting to a remote MTA using a gmail address, then you should probably use Gmail's server; you will need SMTP authenticaton and probably SSL support - neither of which are supported by the mail() function in PHP. There's a simple example here using swiftmailer with gmail or here's an example using phpmailer
So you want to fire Ajax calls to the servlet? For that you need the XMLHttpRequest
object in JavaScript. Here's a Firefox compatible example:
<script>
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function() {
if (xhr.readyState == 4) {
var data = xhr.responseText;
alert(data);
}
}
xhr.open('GET', '${pageContext.request.contextPath}/myservlet', true);
xhr.send(null);
</script>
This is however very verbose and not really crossbrowser compatible. For the best crossbrowser compatible way of firing ajaxical requests and traversing the HTML DOM tree, I recommend to grab jQuery. Here's a rewrite of the above in jQuery:
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script>
$.get('${pageContext.request.contextPath}/myservlet', function(data) {
alert(data);
});
</script>
Either way, the Servlet on the server should be mapped on an url-pattern
of /myservlet
(you can change this to your taste) and have at least doGet()
implemented and write the data to the response as follows:
String data = "Hello World!";
response.setContentType("text/plain");
response.setCharacterEncoding("UTF-8");
response.getWriter().write(data);
This should show Hello World!
in the JavaScript alert.
You can of course also use doPost()
, but then you should use 'POST'
in xhr.open()
or use $.post()
instead of $.get()
in jQuery.
Then, to show the data in the HTML page, you need to manipulate the HTML DOM. For example, you have a
<div id="data"></div>
in the HTML where you'd like to display the response data, then you can do so instead of alert(data)
of the 1st example:
document.getElementById("data").firstChild.nodeValue = data;
In the jQuery example you could do this in a more concise and nice way:
$('#data').text(data);
To go some steps further, you'd like to have an easy accessible data format to transfer more complex data. Common formats are XML and JSON. For more elaborate examples on them, head to How to use Servlets and Ajax?
To output an object to the console, you have to stringify the object first:
success:function(data){
console.log(JSON.stringify(data));
}
I agree with @arcy, the problem is on client side, on my case it was because of nginx, let me elaborate
I am using nginx as the frontend (so I can distribute load, ssl, etc ...) and using proxy_pass http://127.0.0.1:8080
to forward the appropiate requests to tomcat.
There is a default value for the nginx variable proxy_read_timeout
of 60s that should be enough, but on some peak moments my setup would error with the java.io.IOException: Broken pipe changing the value will help until the root cause (60s should be enough) can be fixed.
NOTE: I made a new answer so I could expand a bit more with my case (it was the only mention I found about this error on internet after looking quite a lot)
Serialize both objects, then calculate Hash Code, then compare.
Normally, you do this with generics, for example:
MapEntToObj<T>(IQueryable<T> query) {...}
The compiler should then infer the T
when you call MapEntToObj(query)
. Not quite sure what you want to do inside the method, so I can't tell whether this is useful... the problem is that inside MapEntToObj
you still can't name the T
- you can either:
T
T
to do thingsbut other than that, it is quite hard to manipulate anonymous types - not least because they are immutable ;-p
Another trick (when extracting data) is to also pass a selector - i.e. something like:
Foo<TSource, TValue>(IEnumerable<TSource> source,
Func<TSource,string> name) {
foreach(TSource item in source) Console.WriteLine(name(item));
}
...
Foo(query, x=>x.Title);
You can achieve an expected result with requests
library as well:
import requests
url = "http://www.mywebsite.org/Data%20Set.zip"
print(f"Before: {url}")
print(f"After: {requests.utils.unquote(url)}")
Output:
$ python3 test_url_unquote.py
Before: http://www.mywebsite.org/Data%20Set.zip
After: http://www.mywebsite.org/Data Set.zip
Might be handy if you are already using requests
, without using another library for this job.
try this. works for me
$options = array(
'cache_wsdl' => 0,
'trace' => 1,
'stream_context' => stream_context_create(array(
'ssl' => array(
'verify_peer' => false,
'verify_peer_name' => false,
'allow_self_signed' => true
)
));
$client = new SoapClient(url, $options);
can also use:
$("input.DateFrom").datepicker({
minDate: 'today'
});
From node 10.17, stream.Readable have a from
method to easily create streams from any iterable (which includes array literals):
const { Readable } = require("stream")
const readable = Readable.from(["input string"])
readable.on("data", (chunk) => {
console.log(chunk) // will be called once with `"input string"`
})
Note that at least between 10.17 and 12.3, a string is itself a iterable, so Readable.from("input string")
will work, but emit one event per character. Readable.from(["input string"])
will emit one event per item in the array (in this case, one item).
Also note that in later nodes (probably 12.3, since the documentation says the function was changed then), it is no longer necessary to wrap the string in an array.
https://nodejs.org/api/stream.html#stream_stream_readable_from_iterable_options
Use simple negative margin rather than using display table.
Updated in fiddle JS Fiddle
.container {
border-style: solid;
border-color: red;
border-width: 1px 0 0 1px;
display: inline-block;
}
.column {
float: left; overflow: hidden;
}
.cell {
border: 1px solid red; width: 120px; height: 20px;
margin:-1px 0 0 -1px;
}
.clearfix {
clear:both;
}
If you are using LAMP stack, then add this into your .htaccess file in your web root folder. No need to add it to every PHP file.
<IfModule mod_headers.c>
Header add X-UA-Compatible "IE=Edge"
</IfModule>
You can use
public List<E> addToListStart(List<E> list, E obj){
list.add(0,obj);
return (List<E>)list;
}
Change E with your datatype
If deleting the oldest element is necessary then you can add:
list.remove(list.size()-1);
before return statement. Otherwise list will add your object at beginning and also retain oldest element.
This will delete last element in list.
It works like this. View.OnClickListenere is defined -
public interface OnClickListener {
void onClick(View v);
}
As far as we know you cannot instantiate an object OnClickListener
, as it doesn't have a method implemented. So there are two ways you can go by - you can implement this interface which will override onClick
method like this:
public class MyListener implements View.OnClickListener {
@Override
public void onClick (View v) {
// your code here;
}
}
But it's tedious to do it each time as you want to set a click listener. So in order to avoid this you can provide the implementation for the method on spot, just like in an example you gave.
setOnClickListener
takes View.OnClickListener
as its parameter.
Appending to an object in a for loop causes the entire object to be copied on every iteration, which causes a lot of people to say "R is slow", or "R loops should be avoided".
As BrodieG mentioned in the comments: it is much better to pre-allocate a vector of the desired length, then set the element values in the loop.
Here are several ways to append values to a vector. All of them are discouraged.
# one way
for (i in 1:length(values))
vector[i] <- values[i]
# another way
for (i in 1:length(values))
vector <- c(vector, values[i])
# yet another way?!?
for (v in values)
vector <- c(vector, v)
# ... more ways
help("append")
would have answered your question and saved the time it took you to write this question (but would have caused you to develop bad habits). ;-)
Note that vector <- c()
isn't an empty vector; it's NULL
. If you want an empty character vector, use vector <- character()
.
If you absolutely must use a for loop, you should pre-allocate the entire vector before the loop. This will be much faster than appending for larger vectors.
set.seed(21)
values <- sample(letters, 1e4, TRUE)
vector <- character(0)
# slow
system.time( for (i in 1:length(values)) vector[i] <- values[i] )
# user system elapsed
# 0.340 0.000 0.343
vector <- character(length(values))
# fast(er)
system.time( for (i in 1:length(values)) vector[i] <- values[i] )
# user system elapsed
# 0.024 0.000 0.023
I know this is not typical alert box, but I hope it may help someone.
There is this expansion that enables you to show notifications inside HTML page using bootstrap.
It is very easy to implement and it works fine. Here is a github page for the project including some demo images.
You can use
long startTime = date.getTime() * 1000000;;
long estimatedTime = System.nanoTime() - startTime;
To get time in nano.
This is what worked for me: Using Gradle 4.8.1
buildscript {
ext.kotlin_version = '1.1.1'
repositories {
jcenter()
google()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.1.0'}
}
allprojects {
repositories {
mavenLocal()
jcenter()
google()
maven {
url "$rootDir/../node_modules/react-native/android"
}
maven {
url 'https://dl.bintray.com/kotlin/kotlin-dev/'
}
}
}
You should use the OpenFileDialog class like this
Dim fd As OpenFileDialog = New OpenFileDialog()
Dim strFileName As String
fd.Title = "Open File Dialog"
fd.InitialDirectory = "C:\"
fd.Filter = "All files (*.*)|*.*|All files (*.*)|*.*"
fd.FilterIndex = 2
fd.RestoreDirectory = True
If fd.ShowDialog() = DialogResult.OK Then
strFileName = fd.FileName
End If
Then you can use the File class.
Only, if they accept different parameters. If there are no parameters, then you must have different names.
int doSomething(String s);
String doSomething(int); // this is fine
int doSomething(String s);
String doSomething(String s); // this is not
This is a late contribution, but there is a valid case for casting json_decode
with (array)
.
Consider the following:
$jsondata = '';
$arr = json_decode($jsondata, true);
foreach ($arr as $k=>$v){
echo $v; // etc.
}
If $jsondata
is ever returned as an empty string (as in my experience it often is), json_decode
will return NULL
, resulting in the error Warning: Invalid argument supplied for foreach() on line 3. You could add a line of if/then code or a ternary operator, but IMO it's cleaner to simply change line 2 to ...
$arr = (array) json_decode($jsondata,true);
... unless you are json_decode
ing millions of large arrays at once, in which case as @TCB13 points out, performance could be negatively effected.
You can only stringify the array and append it. Sends the array as an actual Array even if it has only one item.
const array = [ 1, 2 ];
let formData = new FormData();
formData.append("numbers", JSON.stringify(array));
$ adb shell pm dump PACKAGE_NAME | grep -A 1 MAIN
Mu! Quicksort is not better, it is well suited for a different kind of application, than mergesort.
Mergesort is worth considering if speed is of the essence, bad worst-case performance cannot be tolerated, and extra space is available.1
You stated that they «They're both O(nlogn) […]». This is wrong. «Quicksort uses about n^2/2 comparisons in the worst case.»1.
However the most important property according to my experience is the easy implementation of sequential access you can use while sorting when using programming languages with the imperative paradigm.
1 Sedgewick, Algorithms
Use:
<!-- This is a comment for an HTML page and it will not display in the browser -->
For more information, I think 3 On SGML and HTML may help you.
I just changed availability date to a future date. After doing that, I received following message -
You have selected an Available Date in the future. This will remove your currently live version from the App Store until the new date. Changing Available Date affects all versions of the application, both Ready For Sale and In Review.
Which means that the app is removed and no longer available.
if (window.frames.length != parent.frames.length) { page loaded in iframe }
But only if number of iframes differs in your page and page who are loading you in iframe. Make no iframe in your page to have 100% guarantee of result of this code
See here: Cross Browser favicon
Thats the way to go:
<link rel="icon" type="image/png" href="http://www.example.com/image.png"><!-- Major Browsers -->
<!--[if IE]><link rel="SHORTCUT ICON" href="http://www.example.com/alternateimage.ico"/><![endif]--><!-- Internet Explorer-->
If you are using <ng-content>
with *ngIf
you are bound to fall into this loop.
Only way out I found was to change *ngIf
to display:none
functionality
As has been mentioned by others, std::unique_lock tracks the locked status of the mutex, so you can defer locking until after construction of the lock, and unlock before destruction of the lock. std::lock_guard does not permit this.
There seems no reason why the std::condition_variable wait functions should not take a lock_guard as well as a unique_lock, because whenever a wait ends (for whatever reason) the mutex is automatically reacquired so that would not cause any semantic violation. However according to the standard, to use a std::lock_guard with a condition variable you have to use a std::condition_variable_any instead of std::condition_variable.
Edit: deleted "Using the pthreads interface std::condition_variable and std::condition_variable_any should be identical". On looking at gcc's implementation:
While I agree with everyone, including the OP, who says that formatting should be done in the presentation layer, this formatting can be accomplished in T-SQL by casting to money
and then converting to varchar
. This does include trailing decimals, though, that could be looped off with SUBSTRING
.
SELECT CONVERT(varchar, CAST(987654321 AS money), 1)
A StaticResource will be resolved and assigned to the property during the loading of the XAML which occurs before the application is actually run. It will only be assigned once and any changes to resource dictionary ignored.
A DynamicResource assigns an Expression object to the property during loading but does not actually lookup the resource until runtime when the Expression object is asked for the value. This defers looking up the resource until it is needed at runtime. A good example would be a forward reference to a resource defined later on in the XAML. Another example is a resource that will not even exist until runtime. It will update the target if the source resource dictionary is changed.
I was also thinking of media queries, but then I found this:
Just create a wrapper <div>
with a percentage value for padding-bottom
, like this:
div {_x000D_
width: 100%;_x000D_
padding-bottom: 75%;_x000D_
background:gold; /** <-- For the demo **/_x000D_
}
_x000D_
<div></div>
_x000D_
It will result in a <div>
with height equal to 75% of the width of its container (a 4:3 aspect ratio).
This technique can also be coupled with media queries and a bit of ad hoc knowledge about page layout for even more finer-grained control.
It's enough for my needs. Which might be enough for your needs too.
This was the tutorial I was looking for in this thread. It shows the way to open files in Visual Studio Code by writing code .
1.- Open the file
Bash
open ~/.bash_profile
Terminal OS
open ~/.zshrc
2.- Add in your file the :
code () { VSCODE_CWD="$PWD" open -n -b "com.microsoft.VSCode" --args $* ;}
3.- Reinicialize terminal and try in the folder you want to open
code .
4.- Then you can use it as shown in this comment: https://stackoverflow.com/a/41821250/10033560
I came up with this solution. It works solid with the latest Symfony 2.4.
I will try to give some explanations.
I think it's a bad idea to use separate validation to validate entities and return constraint violation messages, like suggested by other writers.
You will need to manually validate all the entities, specify validation groups, etc, etc. With complex hierarchical forms it's not practical at all and will get out of hands quickly.
This way you will be validating form twice: once with form and once with separate validator. This is a bad idea from the performance perspective.
I suggest to recursively iterate form type with it's children to collect error messages.
Some answers suggested by another authors contain mutually exclusive IF statements like this: if ($form->count() > 0)
or if ($form->hasChildren())
.
As far as I can see, every form can have errors as well as children. I'm not expert with Symfony Forms component, but in practice you will not get some errors of the form itself, like CSRF protection error or extra fields error. I suggest to remove this separation.
Some authors suggest to put all errors inside of a plain array. So all the error messages of the form itself and of it's children will be added to the same array with different indexing strategies: number-based for type's own errors and name-based for children errors. I suggest to use normalized data structure of the form:
errors:
- "Self error"
- "Another self error"
children
- "some_child":
errors:
- "Children error"
- "Another children error"
children
- "deeper_child":
errors:
- "Children error"
- "Another children error"
- "another_child":
errors:
- "Children error"
- "Another children error"
That way result can be easily iterated later.
So here's my solution to this problem:
use Symfony\Component\Form\Form;
/**
* @param Form $form
* @return array
*/
protected function getFormErrors(Form $form)
{
$result = [];
// No need for further processing if form is valid.
if ($form->isValid()) {
return $result;
}
// Looking for own errors.
$errors = $form->getErrors();
if (count($errors)) {
$result['errors'] = [];
foreach ($errors as $error) {
$result['errors'][] = $error->getMessage();
}
}
// Looking for invalid children and collecting errors recursively.
if ($form->count()) {
$childErrors = [];
foreach ($form->all() as $child) {
if (!$child->isValid()) {
$childErrors[$child->getName()] = $this->getFormErrors($child);
}
}
if (count($childErrors)) {
$result['children'] = $childErrors;
}
}
return $result;
}
I hope it'll help someone.
Maybe you can use float:right;:
.one {_x000D_
padding-left: 1em;_x000D_
text-color: white;_x000D_
display:inline; _x000D_
}_x000D_
.two {_x000D_
background-color: #00ffff;_x000D_
}_x000D_
.pull-right{_x000D_
float:right;_x000D_
}
_x000D_
<html>_x000D_
<head>_x000D_
_x000D_
</head>_x000D_
<body>_x000D_
<div class="row">_x000D_
<h3 class="one">Text</h3>_x000D_
<button class="btn btn-secondary pull-right">Button</button>_x000D_
</div>_x000D_
</body>_x000D_
</html>
_x000D_
In recent versions of Git you can add multiple pushurl
s for a given remote. Use the following to add two pushurl
s to your origin
:
git remote set-url --add --push origin git://original/repo.git
git remote set-url --add --push origin git://another/repo.git
So when you push to origin
, it will push to both repositories.
UPDATE 1: Git 1.8.0.1 and 1.8.1 (and possibly other versions) seem to have a bug that causes --add
to replace the original URL the first time you use it, so you need to re-add the original URL using the same command. Doing git remote -v
should reveal the current URLs for each remote.
UPDATE 2: Junio C. Hamano, the Git maintainer, explained it's how it was designed. Doing git remote set-url --add --push <remote_name> <url>
adds a pushurl
for a given remote, which overrides the default URL for pushes. However, you may add multiple pushurl
s for a given remote, which then allows you to push to multiple remotes using a single git push
. You can verify this behavior below:
$ git clone git://original/repo.git
$ git remote -v
origin git://original/repo.git (fetch)
origin git://original/repo.git (push)
$ git config -l | grep '^remote\.'
remote.origin.url=git://original/repo.git
remote.origin.fetch=+refs/heads/*:refs/remotes/origin/*
Now, if you want to push to two or more repositories using a single command, you may create a new remote named all
(as suggested by @Adam Nelson in comments), or keep using the origin
, though the latter name is less descriptive for this purpose. If you still want to use origin
, skip the following step, and use origin
instead of all
in all other steps.
So let's add a new remote called all
that we'll reference later when pushing to multiple repositories:
$ git remote add all git://original/repo.git
$ git remote -v
all git://original/repo.git (fetch) <-- ADDED
all git://original/repo.git (push) <-- ADDED
origin git://original/repo.git (fetch)
origin git://original/repo.git (push)
$ git config -l | grep '^remote\.all'
remote.all.url=git://original/repo.git <-- ADDED
remote.all.fetch=+refs/heads/*:refs/remotes/all/* <-- ADDED
Then let's add a pushurl
to the all
remote, pointing to another repository:
$ git remote set-url --add --push all git://another/repo.git
$ git remote -v
all git://original/repo.git (fetch)
all git://another/repo.git (push) <-- CHANGED
origin git://original/repo.git (fetch)
origin git://original/repo.git (push)
$ git config -l | grep '^remote\.all'
remote.all.url=git://original/repo.git
remote.all.fetch=+refs/heads/*:refs/remotes/all/*
remote.all.pushurl=git://another/repo.git <-- ADDED
Here git remote -v
shows the new pushurl
for push, so if you do git push all master
, it will push the master
branch to git://another/repo.git
only. This shows how pushurl
overrides the default url (remote.all.url).
Now let's add another pushurl
pointing to the original repository:
$ git remote set-url --add --push all git://original/repo.git
$ git remote -v
all git://original/repo.git (fetch)
all git://another/repo.git (push)
all git://original/repo.git (push) <-- ADDED
origin git://original/repo.git (fetch)
origin git://original/repo.git (push)
$ git config -l | grep '^remote\.all'
remote.all.url=git://original/repo.git
remote.all.fetch=+refs/heads/*:refs/remotes/all/*
remote.all.pushurl=git://another/repo.git
remote.all.pushurl=git://original/repo.git <-- ADDED
You see both pushurl
s we added are kept. Now a single git push all master
will push the master
branch to both git://another/repo.git
and git://original/repo.git
.
You can create another script file separately for the functions and invoke the script file whenever you want to call the function. This will help you to keep your code clean.
Function Definition : Create a new script file
Function Call : Invoke the script file
Showing image in title bar is easy. please follow the steps :
a) first save you image some where in the folder and name like favicon. b) then use below line inside head tag of the html view
<link rel="icon" type="image/png" href="image_url" />
c) Here you must know the path of your file, where you have saved the image d) save your image url in place of image_url e) save your working.
console.log
does not produce any message box. I don't think it is available in any version of IE (nor Firefox) without the addition of firebug or some equivalent.
It is however available in Safari and Chrome. Since you mention Chrome I'll use that for my example.
You'll need to open your window and its developer window counterpart. you can do this by right clicking any element on the page and selecting "Inspect element". your window will be divided in two parts, the developer part being the bottom. in the division between the two parts is a bar with buttons and the rightmost button there is labeled "console". You'll need to click that to switch to the console tab. Press F12 for developer tools in most browsers on Windows, command + shift + I on macOS.
Once there, you will be able to interact with whatever page is loaded on top through javascript from that console, and any messages you console.log
will be displayed there.
this error I was able to remove after adding profile:
<profile>
<id>surefire-windows-fork-disable</id>
<activation>
<os>
<family>Windows</family>
</os>
</activation>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<forkCount>0</forkCount>
<useSystemClassLoader>false</useSystemClassLoader>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>
</profile>
seems that this is a windows problem regarding maven surefire forks
if you are using Android Studio in MAC OS X , you could exec the following command in your terminal app:
echo 'alias adb="/Applications/Android\ Studio.app/sdk/platform-tools/adb"' >> .bashrc
exec $SHELL
and next:
adb devices
and you should be showing a list with your android devices connected via USB cable in your MAC, for example something like this:
* daemon not running. starting it now on port 5037 *
* daemon started successfully *
List of devices attached
deb7bed5 device
Html by itself will not send email. You will need something that connects to a SMTP server to send an email. Hence Outlook pops up with mailto: else your form goes to the server which has a script that sends email.
I have used Gnostice in the past and found them to be very good.
Two Methods for Passing Multiple route params in Angular
Method-1
In app.module.ts
Set path as component2.
imports: [
RouterModule.forRoot(
[ {path: 'component2/:id1/:id2', component: MyComp2}])
]
Call router to naviagte to MyComp2 with multiple params id1 and id2.
export class MyComp1 {
onClick(){
this._router.navigate( ['component2', "id1","id2"]);
}
}
Method-2
In app.module.ts
Set path as component2.
imports: [
RouterModule.forRoot(
[ {path: 'component2', component: MyComp2}])
]
Call router to naviagte to MyComp2 with multiple params id1 and id2.
export class MyComp1 {
onClick(){
this._router.navigate( ['component2', {id1: "id1 Value", id2:
"id2 Value"}]);
}
}
The (+) operator indicates an outer join. This means that Oracle will still return records from the other side of the join even when there is no match. For example if a and b are emp and dept and you can have employees unassigned to a department then the following statement will return details of all employees whether or not they've been assigned to a department.
select * from emp, dept where emp.dept_id=dept.dept_id(+)
So in short, removing the (+) may make a significance difference but you might not notice for a while depending on your data!
SVG text background image
body {_x000D_
background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' version='1.1' height='50px' width='120px'><text x='0' y='15' fill='red' font-size='20'>I love SVG!</text></svg>");_x000D_
}
_x000D_
<p>I hate SVG!</p><p>I hate SVG!</p><p>I hate SVG!</p><p>I hate SVG!</p>_x000D_
<p>I hate SVG!</p><p>I hate SVG!</p><p>I hate SVG!</p><p>I hate SVG!</p>
_x000D_
Here is an indented version of the CSS so you can understand better. Note that this does not work, you need to use the single liner SVG from the snippet above instead:
body {
background-image:url("data:image/svg+xml;utf8,
<svg xmlns='http://www.w3.org/2000/svg' version='1.1'
height='50px' width='120px'>
<text x='0' y='15' fill='red' font-size='20'>I love SVG!</text>
</svg>");
}
Not sure how portable this is (works on Firefox 31 and Chrome 36), and it is technically an image... but the source is inline and plain text, and it scales infinitely.
@senectus found that it works better on IE if you base64 encode it: https://stackoverflow.com/a/25593531/895245
I always end up following this pattern. Given this table:
+------+------+
| i | j |
+------+------+
| 1 | 11 |
| 1 | 12 |
| 1 | 13 |
| 2 | 21 |
| 2 | 22 |
| 2 | 23 |
| 3 | 31 |
| 3 | 32 |
| 3 | 33 |
| 4 | 14 |
+------+------+
You can get this result:
+------+------+------------+
| i | j | row_number |
+------+------+------------+
| 1 | 11 | 1 |
| 1 | 12 | 2 |
| 1 | 13 | 3 |
| 2 | 21 | 1 |
| 2 | 22 | 2 |
| 2 | 23 | 3 |
| 3 | 31 | 1 |
| 3 | 32 | 2 |
| 3 | 33 | 3 |
| 4 | 14 | 1 |
+------+------+------------+
By running this query, which doesn't need any variable defined:
SELECT a.i, a.j, count(*) as row_number FROM test a
JOIN test b ON a.i = b.i AND a.j >= b.j
GROUP BY a.i, a.j
Hope that helps!
I have a 64 bit dev machine and 32 bit build server. I used this code prior to NHibernate initialisation. Works a charm on any architecture (well the 2 I have tested)
Hope this helps someone.
Guido
private static void LoadSQLLiteAssembly()
{
Uri dir = new Uri(Assembly.GetExecutingAssembly().CodeBase);
FileInfo fi = new FileInfo(dir.AbsolutePath);
string binFile = fi.Directory.FullName + "\\System.Data.SQLite.DLL";
if (!File.Exists(binFile)) File.Copy(GetAppropriateSQLLiteAssembly(), binFile, false);
}
private static string GetAppropriateSQLLiteAssembly()
{
string pa = Environment.GetEnvironmentVariable("PROCESSOR_ARCHITECTURE");
string arch = ((String.IsNullOrEmpty(pa) || String.Compare(pa, 0, "x86", 0, 3, true) == 0) ? "32" : "64");
return GetLibsDir() + "\\NUnit\\System.Data.SQLite.x" + arch + ".DLL";
}
if we do this
@interface Class_B : Class_A
mean we are inheriting the Class_A into Class_B, in Class_B we can access all the variables of class_A.
if we are doing this
#import ....
@class Class_A
@interface Class_B
here we saying that we are using the Class_A in our program, but if we want to use the Class_A variables in Class_B we have to #import Class_A in .m file(make a object and use it's function and variables).
go here java tips weblog
then,put in your project : listtabelmodel.java and rowtablemodel.java add another class with this code:
enter code here
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package comp;
import java.awt.*;
import java.sql.*;
import java.util.*;
import javax.swing.*;
import static javax.swing.JFrame.EXIT_ON_CLOSE;
import javax.swing.table.*;
public class TableFromDatabase extends JPanel {
private Connection conexao = null;
public TableFromDatabase() {
Vector columnNames = new Vector();
Vector data = new Vector();
try {
// Connect to an Access Database
conexao = DriverManager.getConnection("jdbc:mysql://" + "localhost"
+ ":3306/yourdatabase", "root", "password");
// Read data from a table
String sql = "select * from tb_something";
Statement stmt = conexao.createStatement();
ResultSet rs = stmt.executeQuery(sql);
ResultSetMetaData md = rs.getMetaData();
int columns = md.getColumnCount();
// Get column names
for (int i = 1; i <= columns; i++) {
columnNames.addElement(md.getColumnName(i));
}
// Get row data
while (rs.next()) {
Vector row = new Vector(columns);
for (int i = 1; i <= columns; i++) {
row.addElement(rs.getObject(i));
}
data.addElement(row);
}
rs.close();
stmt.close();
conexao.close();
} catch (Exception e) {
System.out.println(e);
}
// Create table with database data
JTable table = new JTable(data, columnNames) {
public Class getColumnClass(int column) {
for (int row = 0; row < getRowCount(); row++) {
Object o = getValueAt(row, column);
if (o != null) {
return o.getClass();
}
}
return Object.class;
}
};
JScrollPane scrollPane = new JScrollPane(table);
add(scrollPane);
JPanel buttonPanel = new JPanel();
add(buttonPanel, BorderLayout.SOUTH);
}
public static void main(String[] args) {
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
JFrame frame = new JFrame("any");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//Create and set up the content pane.
TableFromDatabase newContentPane = new TableFromDatabase();
newContentPane.setOpaque(true); //content panes must be opaque
frame.setContentPane(newContentPane);
//Display the window.
frame.pack();
frame.setVisible(true);
}
});
}
}
then drag this class to you jframe,and it's done
it's deprecated,but it works.........
This is a working solution based on @Chris answer above, but fixed so that upon subsequence clicks of the trigger element, you don't have to click the element twice.
Using .popover('hide)
manually messes up bootstraps internal state, as noted in the comments.
var closePopover = function(eventShown) {
// Set the reference to the calling element
var $caller = $('#' + this.id);
// Set the reference to the popover
var $popover = $('#' + $(eventShown.target).attr('aria-describedby'));
// Unbind any pre-existing event handlers to prevent duplicate clicks
$popover.find('.popover-close').off('click');
// Bind event handler to close button
$popover.find('.popover-close').on('click', function(e) {
// Trigger a click on the calling element, to maintain bootstrap's internal state
$caller.trigger('click');
});
}
$('.popoverTriggerElement').popover({
trigger: 'click'
})
.on('shown.bs.popover', closePopover)
Now, you can use the close button without duplicating the click events, and keeping bootstraps internal state in check so it works as expected.
Use threshold
.
For example:
<appender name="RollingFileAppender" type="log4net.Appender.RollingFileAppender">
<threshold value="WARN"/>
<param name="File" value="File.log" />
<param name="AppendToFile" value="true" />
<param name="RollingStyle" value="Size" />
<param name="MaxSizeRollBackups" value="10" />
<param name="MaximumFileSize" value="1024KB" />
<param name="StaticLogFileName" value="true" />
<layout type="log4net.Layout.PatternLayout">
<param name="Header" value="[Server startup] " />
<param name="Footer" value="[Server shutdown] " />
<param name="ConversionPattern" value="%d %m%n" />
</layout>
</appender>
<appender name="EventLogAppender" type="log4net.Appender.EventLogAppender" >
<threshold value="ERROR"/>
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread]- %message%newline" />
</layout>
</appender>
<appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender">
<threshold value="INFO"/>
<layout type="log4net.Layout.PatternLayout">
<param name="ConversionPattern" value="%d [%thread] %m%n" />
</layout>
</appender>
In this example all INFO and above are sent to Console, all WARN are sent to file and ERRORs are sent to the Event-Log.
Try annotating your Configuration Class(es) with the @ComponentScan("com.esri.birthdays")
annotation.
Generally spoken: If you have sub-packages in your project, then you have to scan for your relevant classes on project-root. I guess for your case it'll be "com.esri.birthdays".
You won't need the ComponentScan, if you have no sub-packaging in your project.
As mentioned above, the short answer is no. But I'm in need of something similar in the app I'm working on now, yet the areas where the CSS needs to be different are limited to very specific areas of a page.
If you're like me and don't need to serve up an entirely different stylesheet, another option would be to detect a device running iOS in the way described in this question's selected answer: Detect if device is iOS
Once you've detected the iOS device you could add a class to the area you're targeting using Javascript (eg. the document.getElementsByTagName("yourElementHere")[0].setAttribute("class", "iOS-device");
, jQuery, PHP or whatever, and style that class accordingly using the pre-existing stylesheet.
.iOS-device {
style-you-want-to-set: yada;
}
int min and max values
Int -2,147,483,648 / 2,147,483,647 Int 64 -9,223,372,036,854,775,808 / 9,223,372,036,854,775,807
i guess you could set a to equal 9,223,372,036,854,775,807 but it would need to be an int64
if you always want a to be grater that b why do you need to check it? just set it to be true always
If you want a destructive backspace, you'll need something like
"\b \b"
i.e. a backspace, a space, and another backspace.
You can add and retrieve a numpy array from dataframe using this:
import numpy as np
import pandas as pd
df = pd.DataFrame({'b':range(10)}) # target dataframe
a = np.random.normal(size=(10,2)) # numpy array
df['a']=a.tolist() # save array
np.array(df['a'].tolist()) # retrieve array
This builds on the previous answer that confused me because of the sparse part and this works well for a non-sparse numpy arrray.
I find the "parseInt" suggestions to be pretty curious, because "parseInt" operates on strings by design. That's why its name has the word "parse" in it.
A trick that avoids a function call entirely is
var truncated = ~~number;
The double application of the "~" unary operator will leave you with a truncated version of a double-precision value. However, the value is limited to 32 bit precision, as with all the other JavaScript operations that implicitly involve considering numbers to be integers (like array indexing and the bitwise operators).
edit — In an update quite a while later, another alternative to the ~~
trick is to bitwise-OR the value with zero:
var truncated = number|0;
This is a good solution if you need it to work with pipes/redirection instead of reading/output from or to a file. This works with single or multiple lines. It works whether there is a trailing newline or not.
# with trailing newline
echo -en 'foo\nbar\n' | sed '$s/$//' | head -c -1
# still works without trailing newline
echo -en 'foo\nbar' | sed '$s/$//' | head -c -1
# read from a file
sed '$s/$//' myfile.txt | head -c -1
Details:
head -c -1
truncates the last character of the string, regardless of what the character is. So if the string does not end with a newline, then you would be losing a character.sed '$s/$//'
. The first $
means only apply the command to the last line. s/$//
means substitute the "end of the line" with "nothing", which is basically doing nothing. But it has a side effect of adding a trailing newline is there isn't one.Note: Mac's default head
does not support the -c
option. You can do brew install coreutils
and use ghead
instead.
I had this problem and none of above advises helped me. I was able to fetch everything correctly. But push always failed. It was a local repository located on windows directory with several clients working with it through VMWare shared folder driver. It appeared that one of the systems locked Git repository for writing. After stopping relevant VMWare system, which caused the lock everything repaired immediately. It was almost impossible to figure out, which system causes the error, so I had to stop them one by one until succeeded.
That worked for me:
input:
[complex(a,b) for a,b in zip([1,2,3],[1,2,3])]
output:
[(1+4j), (2+5j), (3+6j)]
There's always the string functions, if you know you're always going to remove the fourth character:
str.slice(0, 4) + str.slice(5, str.length))
For reference I'd like to include my variation on VonC's answer. Keep in mind that I am using the MSys version of Git (1.6.0.2 at this time) with modified PATH, and running Git itself from Powershell (or cmd.exe), not the Bash shell.
I introduced a new command, gitdiff
. Running this command temporarily redirects git diff
to use a visual diff program of your choice (as opposed to VonC's solution that does it permanently). This allows me to have both the default Git diff functionality (git diff
) as well as visual diff functionality (gitdiff
). Both commands take the same parameters, so for example to visually diff changes in a particular file you can type
gitdiff path/file.txt
Note that $GitInstall
is used as a placeholder for the directory where Git is installed.
Create a new file, $GitInstall\cmd\gitdiff.cmd
@echo off
setlocal
for /F "delims=" %%I in ("%~dp0..") do @set path=%%~fI\bin;%%~fI\mingw\bin;%PATH%
if "%HOME%"=="" @set HOME=%USERPROFILE%
set GIT_EXTERNAL_DIFF=git-diff-visual.cmd
set GIT_PAGER=cat
git diff %*
endlocal
Create a new file, $GitInstall\bin\git-diff-visual.cmd
(replacing [visual_diff_exe]
placeholder with full path to the diff program of your choice)
@echo off
rem diff is called by git with 7 parameters:
rem path old-file old-hex old-mode new-file new-hex new-mode
echo Diffing "%5"
"[visual_diff_exe]" "%2" "%5"
exit 0
You're now done. Running gitdiff
from within a Git repository should now invoke your visual diff program for every file that was changed.
Minimal runnable POSIX read
+ write
example
Usage:
get two computers on a LAN.
For example, this will work if both computers are connected to your home router in most cases, which is how I tested it.
On the server computer:
Find the server local IP with ifconfig
, e.g. 192.168.0.10
Run:
./server output.tmp 12345
On the client computer:
printf 'ab\ncd\n' > input.tmp
./client input.tmp 192.168.0.10 12345
Outcome: a file output.tmp
is created on the sever computer containing 'ab\ncd\n'
!
server.c
/*
Receive a file over a socket.
Saves it to output.tmp by default.
Interface:
./executable [<output_file> [<port>]]
Defaults:
- output_file: output.tmp
- port: 12345
*/
#define _XOPEN_SOURCE 700
#include <stdio.h>
#include <stdlib.h>
#include <arpa/inet.h>
#include <fcntl.h>
#include <netdb.h> /* getprotobyname */
#include <netinet/in.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <unistd.h>
int main(int argc, char **argv) {
char *file_path = "output.tmp";
char buffer[BUFSIZ];
char protoname[] = "tcp";
int client_sockfd;
int enable = 1;
int filefd;
int i;
int server_sockfd;
socklen_t client_len;
ssize_t read_return;
struct protoent *protoent;
struct sockaddr_in client_address, server_address;
unsigned short server_port = 12345u;
if (argc > 1) {
file_path = argv[1];
if (argc > 2) {
server_port = strtol(argv[2], NULL, 10);
}
}
/* Create a socket and listen to it.. */
protoent = getprotobyname(protoname);
if (protoent == NULL) {
perror("getprotobyname");
exit(EXIT_FAILURE);
}
server_sockfd = socket(
AF_INET,
SOCK_STREAM,
protoent->p_proto
);
if (server_sockfd == -1) {
perror("socket");
exit(EXIT_FAILURE);
}
if (setsockopt(server_sockfd, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(enable)) < 0) {
perror("setsockopt(SO_REUSEADDR) failed");
exit(EXIT_FAILURE);
}
server_address.sin_family = AF_INET;
server_address.sin_addr.s_addr = htonl(INADDR_ANY);
server_address.sin_port = htons(server_port);
if (bind(
server_sockfd,
(struct sockaddr*)&server_address,
sizeof(server_address)
) == -1
) {
perror("bind");
exit(EXIT_FAILURE);
}
if (listen(server_sockfd, 5) == -1) {
perror("listen");
exit(EXIT_FAILURE);
}
fprintf(stderr, "listening on port %d\n", server_port);
while (1) {
client_len = sizeof(client_address);
puts("waiting for client");
client_sockfd = accept(
server_sockfd,
(struct sockaddr*)&client_address,
&client_len
);
filefd = open(file_path,
O_WRONLY | O_CREAT | O_TRUNC,
S_IRUSR | S_IWUSR);
if (filefd == -1) {
perror("open");
exit(EXIT_FAILURE);
}
do {
read_return = read(client_sockfd, buffer, BUFSIZ);
if (read_return == -1) {
perror("read");
exit(EXIT_FAILURE);
}
if (write(filefd, buffer, read_return) == -1) {
perror("write");
exit(EXIT_FAILURE);
}
} while (read_return > 0);
close(filefd);
close(client_sockfd);
}
return EXIT_SUCCESS;
}
client.c
/*
Send a file over a socket.
Interface:
./executable [<input_path> [<sever_hostname> [<port>]]]
Defaults:
- input_path: input.tmp
- server_hostname: 127.0.0.1
- port: 12345
*/
#define _XOPEN_SOURCE 700
#include <stdio.h>
#include <stdlib.h>
#include <arpa/inet.h>
#include <fcntl.h>
#include <netdb.h> /* getprotobyname */
#include <netinet/in.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <unistd.h>
int main(int argc, char **argv) {
char protoname[] = "tcp";
struct protoent *protoent;
char *file_path = "input.tmp";
char *server_hostname = "127.0.0.1";
char *server_reply = NULL;
char *user_input = NULL;
char buffer[BUFSIZ];
in_addr_t in_addr;
in_addr_t server_addr;
int filefd;
int sockfd;
ssize_t i;
ssize_t read_return;
struct hostent *hostent;
struct sockaddr_in sockaddr_in;
unsigned short server_port = 12345;
if (argc > 1) {
file_path = argv[1];
if (argc > 2) {
server_hostname = argv[2];
if (argc > 3) {
server_port = strtol(argv[3], NULL, 10);
}
}
}
filefd = open(file_path, O_RDONLY);
if (filefd == -1) {
perror("open");
exit(EXIT_FAILURE);
}
/* Get socket. */
protoent = getprotobyname(protoname);
if (protoent == NULL) {
perror("getprotobyname");
exit(EXIT_FAILURE);
}
sockfd = socket(AF_INET, SOCK_STREAM, protoent->p_proto);
if (sockfd == -1) {
perror("socket");
exit(EXIT_FAILURE);
}
/* Prepare sockaddr_in. */
hostent = gethostbyname(server_hostname);
if (hostent == NULL) {
fprintf(stderr, "error: gethostbyname(\"%s\")\n", server_hostname);
exit(EXIT_FAILURE);
}
in_addr = inet_addr(inet_ntoa(*(struct in_addr*)*(hostent->h_addr_list)));
if (in_addr == (in_addr_t)-1) {
fprintf(stderr, "error: inet_addr(\"%s\")\n", *(hostent->h_addr_list));
exit(EXIT_FAILURE);
}
sockaddr_in.sin_addr.s_addr = in_addr;
sockaddr_in.sin_family = AF_INET;
sockaddr_in.sin_port = htons(server_port);
/* Do the actual connection. */
if (connect(sockfd, (struct sockaddr*)&sockaddr_in, sizeof(sockaddr_in)) == -1) {
perror("connect");
return EXIT_FAILURE;
}
while (1) {
read_return = read(filefd, buffer, BUFSIZ);
if (read_return == 0)
break;
if (read_return == -1) {
perror("read");
exit(EXIT_FAILURE);
}
/* TODO use write loop: https://stackoverflow.com/questions/24259640/writing-a-full-buffer-using-write-system-call */
if (write(sockfd, buffer, read_return) == -1) {
perror("write");
exit(EXIT_FAILURE);
}
}
free(user_input);
free(server_reply);
close(filefd);
exit(EXIT_SUCCESS);
}
Further comments
Possible improvements:
Currently output.tmp
gets overwritten each time a send is done.
This begs for the creation of a simple protocol that allows to pass a filename so that multiple files can be uploaded, e.g.: filename up to the first newline character, max filename 256 chars, and the rest until socket closure are the contents. Of course, that would require sanitation to avoid a path transversal vulnerability.
Alternatively, we could make a server that hashes the files to find filenames, and keeps a map from original paths to hashes on disk (on a database).
Only one client can connect at a time.
This is specially harmful if there are slow clients whose connections last for a long time: the slow connection halts everyone down.
One way to work around that is to fork a process / thread for each accept
, start listening again immediately, and use file lock synchronization on the files.
Add timeouts, and close clients if they take too long. Or else it would be easy to do a DoS.
poll
or select
are some options: How to implement a timeout in read function call?
A simple HTTP wget
implementation is shown at: How to make an HTTP get request in C without libcurl?
Tested on Ubuntu 15.10.
For completeness' sake, don't forget std::string::copy()
.
std::string str = "string";
const size_t MAX = 80;
char chrs[MAX];
str.copy(chrs, MAX);
std::string::copy()
doesn't NUL terminate. If you need to ensure a NUL terminator for use in C string functions:
std::string str = "string";
const size_t MAX = 80;
char chrs[MAX];
memset(chrs, '\0', MAX);
str.copy(chrs, MAX-1);
I'd recommend using http://shapecatcher.com/ to help search for unicode characters. It allows you to draw the shape you're after, and then lists the closest matches to that shape.
Make sure you have backups of important databases and then try uninstall MySQL related stuff:
apt-get remove --purge mysql\*
Then install it again:
apt-get install mysql-server mysql-client
This worked for me and data was kept.
If PHP MySQL shows errors you might have to reinstall PHP MySQL:
apt-get install php5-fpm php5-mysql
You can just use padding. Like so:
http://jsfiddle.net/davidja/KG8Kv/
HTML
<table>
<tr>
<td>item1</td>
<td>item2</td>
<td>item2</td>
</tr>
</table>
CSS
td {padding:10px 25px 10px 25px;}
OR
tr td:first-child {padding-left:0px;}
td {padding:10px 0px 10px 50px;}
You can explicitly specify the return type of a lambda by using -> Type
after the arguments list:
[]() -> Type { }
However, if a lambda has one statement and that statement is a return statement (and it returns an expression), the compiler can deduce the return type from the type of that one returned expression. You have multiple statements in your lambda, so it doesn't deduce the type.
Try this. The scope of local variables defined by "template" directive.
<table>
<template ngFor let-group="$implicit" [ngForOf]="groups">
<tr>
<td>
<h2>{{group.name}}</h2>
</td>
</tr>
<tr *ngFor="let item of group.items">
<td>{{item}}</td>
</tr>
</template>
</table>
The map file maps the unminified file to the minified file. If you make changes in the unminified file, the changes will be automatically reflected to the minified version of the file.
For debugging JavaScript code in VS2015, there is no need for
Attaching IE didn't work, but here is a workaround.
Select IE
and press F5. This will attach both worker process and IE as shown here-
If you are not interested in debugging server code, detach it from Processes window.
You will still face the slowness when you press F5 and all your server code compiles and loads up in VS. Note that you can detach and attach again the IE instance launched from VS. JavaScript breakpoints are hit the same way they are in server side code.
I've been using Chilkat's native SFTP library ( http://www.chilkatsoft.com/ssh-sftp-component.asp ) for a couple of months now and it's working great. Been using it in a nightly job to download large files and do private key authentication. Only problem that I had was getting the 64bit version to work on windows server 2008, I needed to install vcredist_x64.exe ( http://www.microsoft.com/download/en/details.aspx?id=14632 ) on my server.
Actually you don't need to use STR Or Convert. Just select 'xxx'+LTRIM(ColumnName) does the job. Possibly, LTRIM uses Convert or STR under the hood.
LTRIM also removes need for providing length and usually default 10 is good enough for integer to string conversion.
SELECT LTRIM(ColumnName) FROM TableName
Why you are using PHP for the conversion. Now, there are so many front end languages available, Why you are still including a server? You can convert the password into the binary number in the front-end and send the converted string in the Database. According to my point of view, this would be convenient.
var bintext, textresult="", binlength;
this.aaa = this.text_value;
bintext = this.aaa.replace(/[^01]/g, "");
binlength = bintext.length-(bintext.length%8);
for(var z=0; z<binlength; z=z+8) {
textresult += String.fromCharCode(parseInt(bintext.substr(z,8),2));
this.ans = textresult;
This is a Javascript code which I have found here: http://binarytotext.net/, they have used this code with Vue.js. In the code, this.aaa is the v-model dynamic value. To convert the binary into the text values, they have used big numbers. You need to install an additional package and convert it back into the text field. In my point of view, it would be easy.
Here's what I initially did, which does work, however it seems rather long-winded and ugly (global static anything is never good)
1: App.xaml.cs
public partial class App : Application
{
// create a new global custom WPF Command
public static readonly RoutedUICommand LoggedIn = new RoutedUICommand();
}
2: LoginForm.xaml
// bind the global command to a local eventhandler
<CommandBinding Command="client:App.LoggedIn" Executed="OnLoggedIn" />
3: LoginForm.xaml.cs
// implement the local eventhandler in codebehind
private void OnLoggedIn( object sender, ExecutedRoutedEventArgs e )
{
DialogResult = true;
Close();
}
4: LoginFormViewModel.cs
// fire the global command from the viewmodel
private void OnRemoteServerReturnedSuccess()
{
App.LoggedIn.Execute(this, null);
}
I later on then removed all this code, and just had the LoginFormViewModel
call the Close method on it's view. It ended up being much nicer and easier to follow. IMHO the point of patterns is to give people an easier way to understand what your app is doing, and in this case, MVVM was making it far harder to understand than if I hadn't used it, and was now an anti-pattern.
We were seeing this same issue in one of our old projects that was targeting Framework 4.5.2. I tried several scenarios including all of the ones listed above: target 4.6.1, add System.ValueTuple package, delete bin, obj, and .vs folders. No dice. Repeat the same process for 4.7.2. Then tried removing the System.ValueTuple package since I was targeting 4.7.2 as one commenter suggested. Still nothing. Checked csproj file reference path. Looks right. Even dropped back down to 4.5.2 and installing the package again. All this with several VS restarts and deleting the same folders several times. Literally nothing worked.
I had to refactor to use a struct instead. I hope others don't continue to run into this issue in the future but thought this might be helpful if you end up as stumped up as we were.
select Country_id,country_title from(
select Country_id,country_title,row_number() over (partition by country_title
order by Country_id ) rn from country)a
where rn=1;
Put those properties files in src/test/resources
. Files in src/test/resources
are available within Eclipse automatically via eclipse:eclipse
but will not be included in the packaged JAR by Maven.
Interestingly, this solution can break, but a workaround:
Looking for my database called KeyWorks.accdb
which must exist:
Run this:
Dim strDataPath As String = GetSetting("KeyWorks", "dataPath", "01", "") 'get from registry
If Not strDataPath.Contains("KeyWorks.accdb") Then....etc.
If my database is named KeyWorksBB.accdb
, the If
statement will find this acceptable and exit the If
statement because it did indeed find KeyWorks
and accdb
.
If I surround the If
statement qualifier with single quotes like 'KeyWorks.accdb'
, it now looks for all the consecutive characters in order and would enter the If
block because it did not match.
Just putting .encode('utf-8')
at the end of object will do the job in recent versions of Python.
What you're looking for is 'outerHTML', but wee need a fallback coz it's not compatible with old browsers.
var getString = (function() {
var DIV = document.createElement("div");
if ('outerHTML' in DIV)
return function(node) {
return node.outerHTML;
};
return function(node) {
var div = DIV.cloneNode();
div.appendChild(node.cloneNode(true));
return div.innerHTML;
};
})();
// getString(el) == "<p>Test</p>"
You'll find my jQuery plugin here: Get selected element's outer HTML
You can use Apache commons:
For substring after last occurrence use this method.
And for substring after first occurrence equivalent method is here.
With Winforms you can use Form.BackColor to do this.
From within the Form's code:
BackColor = Color.LightPink;
If you mean a WPF Window you can use the Background property.
From within the Window's code:
Background = Brushes.LightPink;
Division of two numbers using bitwise operators.
#include <stdio.h>
int remainder, divisor;
int division(int tempdividend, int tempdivisor) {
int quotient = 1;
if (tempdivisor == tempdividend) {
remainder = 0;
return 1;
} else if (tempdividend < tempdivisor) {
remainder = tempdividend;
return 0;
}
do{
tempdivisor = tempdivisor << 1;
quotient = quotient << 1;
} while (tempdivisor <= tempdividend);
/* Call division recursively */
quotient = quotient + division(tempdividend - tempdivisor, divisor);
return quotient;
}
int main() {
int dividend;
printf ("\nEnter the Dividend: ");
scanf("%d", ÷nd);
printf("\nEnter the Divisor: ");
scanf("%d", &divisor);
printf("\n%d / %d: quotient = %d", dividend, divisor, division(dividend, divisor));
printf("\n%d / %d: remainder = %d", dividend, divisor, remainder);
getch();
}
for a single line implementation, you can use a lambda expression in a map
map(lambda x:MyModel.objects.get_or_create(name=x), items)
Here, lambda matches each item in items list to x and create a Database record if necessary.
To remove an item from a text file, first move all the text to a list and remove whichever item you want. Then write the text stored in the list into a text file:
List<string> quotelist=File.ReadAllLines(filename).ToList();
string firstItem= quotelist[0];
quotelist.RemoveAt(0);
File.WriteAllLines(filename, quotelist.ToArray());
return firstItem;
Try saying
$array[] = array('Item 2');
Although it looks like you're trying to add an array into an array, thus $array[][]
but that's not what your title suggests.
You can use Replace instead of INSERT ... ON DUPLICATE KEY UPDATE.
well the quickest way meaning with the least possible C# code is probably this one:
string readText = System.IO.File.ReadAllText(path);
I use ngrok (https://ngrok.com/) for this. ngrok is a command line tool and create a tunnel for localhost. It creates both http and https connection. After downloading it, following command needs to be run :
ngrok http 80
( In version 2, the syntax is : ngrok http 80 . In version 2, any port can be tunneled. )
After few seconds, it will give two urls :
http://a_hexadecimal_number.ngrok.com
https://a_hexadecimal_number.ngrok.com
Now, both the urls point to the localhost.
I created blog post on the topic. It contains also link to Github repository with working example.
The trick is using test configuration, where you override original spring bean with fake one. You can use @Primary
and @Profile
annotations for this trick.
A roll your own function.
Supports recursion or not with the 2nd
switch.
Also, allow names of files with ;
which the accepted answer fails to address although a great answer, this will get over that issue.
The idea was taken from https://ss64.com/nt/empty.html
Notes within code.
@echo off
title %~nx0
setlocal EnableDelayedExpansion
set dir=C:\Users\%username%\Desktop
title Echos folders and files in root directory...
call :FOLDER_FILE_CNT dir TRUE
echo !dir!
echo/ & pause & cls
::
:: FOLDER_FILE_CNT function by Ste
::
:: First Written: 2020.01.26
:: Posted on the thread here: https://stackoverflow.com/q/10813943/8262102
:: Based on: https://ss64.com/nt/empty.html
::
:: Notes are that !%~1! will expand to the returned variable.
:: Syntax call: call :FOLDER_FILE_CNT "<path>" <BOOLEAN>
:: "<path>" = Your path wrapped in quotes.
:: <BOOLEAN> = Count files in sub directories (TRUE) or not (FALSE).
:: Returns a variable with a value of:
:: FALSE = if directory doesn't exist.
:: 0-inf = if there are files within the directory.
::
:FOLDER_FILE_CNT
if "%~1"=="" (
echo Use this syntax: & echo call :FOLDER_FILE_CNT "<path>" ^<BOOLEAN^> & echo/ & goto :eof
) else if not "%~1"=="" (
set count=0 & set msg= & set dirExists=
if not exist "!%~1!" (set msg=FALSE)
if exist "!%~1!" (
if {%~2}=={TRUE} (
>nul 2>nul dir /a-d /s "!%~1!\*" && (for /f "delims=;" %%A in ('dir "!%~1!" /a-d /b /s') do (set /a count+=1)) || (set /a count+=0)
set msg=!count!
)
if {%~2}=={FALSE} (
for /f "delims=;" %%A in ('dir "!%~1!" /a-d /b') do (set /a count+=1)
set msg=!count!
)
)
)
set "%~1=!msg!" & goto :eof
)
If you want to keep the height of the DIV absolute, regardless of the amount of text inside use the following:
overflow: hidden;
I believe you can just update your data structure, then:
[tableView beginUpdates];
[tableView deleteSections:[NSIndexSet indexSetWithIndex:0] withRowAnimation:YES];
[tableView insertSections:[NSIndexSet indexSetWithIndex:0] withRowAnimation:YES];
[tableView endUpdates];
Also, the "withRowAnimation" is not exactly a boolean, but an animation style:
UITableViewRowAnimationFade,
UITableViewRowAnimationRight,
UITableViewRowAnimationLeft,
UITableViewRowAnimationTop,
UITableViewRowAnimationBottom,
UITableViewRowAnimationNone,
UITableViewRowAnimationMiddle
Try this solution and it worked. this problem is caused because ADB is unable to connect to the android servers to fetch updates. (If at home try turning off firewall)
http
, not https
)This should work immediately.