Did you try InputMethodManager.SHOW_IMPLICIT
in first window.
and for hiding in second window use InputMethodManager.HIDE_IMPLICIT_ONLY
EDIT :
If its still not working then probably you are putting it at the wrong place. Override onFinishInflate()
and show/hide there.
@override
public void onFinishInflate() {
/* code to show keyboard on startup */
InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
imm.showSoftInput(mUserNameEdit, InputMethodManager.SHOW_IMPLICIT);
}
If anyone is getting:
Cannot make a static reference to the non-static method getSystemService(String) from the type Activity
Try adding context to getSystemService call.
So
InputMethodManager imm =
(InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
imm.toggleSoftInput(InputMethodManager.SHOW_FORCED,0);
When you want to hide keyboard manually on the action of button click:
/**
* Hides the already popped up keyboard from the screen.
*
*/
public void hideKeyboard() {
try {
// use application level context to avoid unnecessary leaks.
InputMethodManager inputManager = (InputMethodManager) getApplicationContext().getSystemService(Context.INPUT_METHOD_SERVICE);
assert inputManager != null;
inputManager.hideSoftInputFromWindow(getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
} catch (Exception e) {
e.printStackTrace();
}
}
When you want to hide keyboard where ever you click on screen except edittext Override this method in your activity:
@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
View view = getCurrentFocus();
if (view != null && (ev.getAction() == MotionEvent.ACTION_UP || ev.getAction() == MotionEvent.ACTION_MOVE) && view instanceof EditText && !view.getClass().getName().startsWith("android.webkit.")) {
int scrcoords[] = new int[2];
view.getLocationOnScreen(scrcoords);
float x = ev.getRawX() + view.getLeft() - scrcoords[0];
float y = ev.getRawY() + view.getTop() - scrcoords[1];
if (x < view.getLeft() || x > view.getRight() || y < view.getTop() || y > view.getBottom())
((InputMethodManager)this.getSystemService(Context.INPUT_METHOD_SERVICE)).hideSoftInputFromWindow((this.getWindow().getDecorView().getApplicationWindowToken()), 0);
}
return super.dispatchTouchEvent(ev);
}
First this script test the strings N having chars from 3 to 5.
For multi language (arabic, Ukrainian) you Must use this
var regex = /^([a-zA-Z0-9_-\u0600-\u065f\u066a-\u06EF\u06fa-\u06ff\ufb8a\u067e\u0686\u06af\u0750-\u077f\ufb50-\ufbc1\ufbd3-\ufd3f\ufd50-\ufd8f\ufd92-\ufdc7\ufe70-\ufefc\uFDF0-\uFDFD]+){3,5}$/; regex.test('?????');
Other wise the below is for English Alphannumeric only
/^([a-zA-Z0-9_-]){3,5}$/
P.S the above dose not accept special characters
one final thing the above dose not take space as test it will fail if there is space if you want space then add after the 0-9\s
\s
And if you want to check lenght of all string add dot .
var regex = /^([a-zA-Z0-9\s@,!=%$#&_-\u0600-\u065f\u066a-\u06EF\u06fa-\u06ff\ufb8a\u067e\u0686\u06af\u0750-\u077f\ufb50-\ufbc1\ufbd3-\ufd3f\ufd50-\ufd8f\ufd92-\ufdc7\ufe70-\ufefc\uFDF0-\uFDFD]).{1,30}$/;
If you are going to write this include manually in the PHP file - the answer of Daff is perfect.
Anyway, if you need to do what was the initial question, here is a small simple function to achieve that:
<?php
// Include php file from string with GET parameters
function include_get($phpinclude)
{
// find ? if available
$pos_incl = strpos($phpinclude, '?');
if ($pos_incl !== FALSE)
{
// divide the string in two part, before ? and after
// after ? - the query string
$qry_string = substr($phpinclude, $pos_incl+1);
// before ? - the real name of the file to be included
$phpinclude = substr($phpinclude, 0, $pos_incl);
// transform to array with & as divisor
$arr_qstr = explode('&',$qry_string);
// in $arr_qstr you should have a result like this:
// ('id=123', 'active=no', ...)
foreach ($arr_qstr as $param_value) {
// for each element in above array, split to variable name and its value
list($qstr_name, $qstr_value) = explode('=', $param_value);
// $qstr_name will hold the name of the variable we need - 'id', 'active', ...
// $qstr_value - the corresponding value
// $$qstr_name - this construction creates variable variable
// this means from variable $qstr_name = 'id', adding another $ sign in front you will receive variable $id
// the second iteration will give you variable $active and so on
$$qstr_name = $qstr_value;
}
}
// now it's time to include the real php file
// all necessary variables are already defined and will be in the same scope of included file
include($phpinclude);
}
?>
I'm using this variable variable construction very often.
Use tuple unpacking:
>>> pairs = [("a", 1), ("b", 2), ("c", 3)]
>>> for a, b in pairs:
... print a, b
...
a 1
b 2
c 3
See also: Tuple unpacking in for loops.
You can also try this.Here you are returning the function "inside" and invoking with the second set of parenthesis.
function outer() {
return (function inside(){
console.log("Inside inside function");
});
}
outer()();
Or
function outer2() {
let inside = function inside(){
console.log("Inside inside");
};
return inside;
}
outer2()();
range creates a list, so if you do
range(1, 10000000)
it creates a list in memory with9999999
elements.
xrange
is a generator, so itis a sequence objectis athat evaluates lazily.
This is true, but in Python 3, range()
will be implemented by the Python 2 xrange()
. If you need to actually generate the list, you will need to do:
list(range(1,100))
The best approach to use yum and update your devtoolset is to utilize the CentOS SCLo RH Testing repository.
yum install centos-release-scl-rh
yum --enablerepo=centos-sclo-rh-testing install devtoolset-7-gcc devtoolset-7-gcc-c++
Many additional packages are also available, to see them all
yum --enablerepo=centos-sclo-rh-testing list devtoolset-7*
You can use this method to install any dev tool version, just swap the 7 for your desired version. devtoolset-6-gcc, devtoolset-5-gcc etc.
I prefer just setting it from the declare statement
DECLARE @ModelID uniqueidentifer = (SELECT modelid
FROM models
WHERE areaid = 'South Coast')
If you have a self-signed certificate generated by makecert.exe
on a Windows machine, you will get two files: cert.pvk
and cert.cer
. These can be converted to a pfx using pvk2pfx
pvk2pfx
is found in the same location as makecert
(e.g. C:\Program Files (x86)\Windows Kits\10\bin\x86
or similar)
pvk2pfx -pvk cert.pvk -spc cert.cer -pfx cert.pfx
If you want to remove EVERYTHING :
textarea {
border: none;
background-color: transparent;
resize: none;
outline: none;
}
There are two options:
Option 1: Using Template Literals.
const Message = 'This is a message';
<Text>
{`
Hi~
${Message}
`}
</Text>
Result:
Hi~
This is a message
Option 2: Use {'\n'} as line breaks.
<Text>
Hello {'\n'}
World!
</Text>
Result:
Hello
World!
When I started using VIM I didn't realize that tabs were supposed to be used as different window layouts, and buffer serves the role for multiple file editing / switching between each other. Actually in the beginning tabs are not even there before v7.0 and I just opened one VIM inside a terminal tab (I was using gnome-terminal at the moment), and switch between tabs using alt+numbers, since I thought using commands like :buffers, :bn and :bp were too much for me. When VIM 7.0 was released I find it's easier to manager a lot of files and switched to it, but recently I just realized that buffers should always be the way to go, unless one thing: you need to configure it to make it works right.
So I tried vim-airline and enabled the visual on-top tab-like buffer bar, but graphic was having problem with my iTerm2, so I tried a couple of others and it seems that MBE works the best for me. I also set shift+h/l as shortcuts, since the original ones (moving to the head/tail of the current page) is not very useful to me.
map <S-h> :bprev<Return>
map <S-l> :bnext<Return>
It seems to be even easier than gt and gT, and :e is easier than :tabnew too. I find :bd is not as convenient as :q though (MBE is having some problem with it) but I can live with all files in buffer I think.
If you just want to compute (column a) % (column b), you don't need apply
, just do it directly:
In [7]: df['a'] % df['c']
Out[7]:
0 -1.132022
1 -0.939493
2 0.201931
3 0.511374
4 -0.694647
5 -0.023486
Name: a
Use this code between two words:
& vbCrLf &
Using this, the next word displays on the next line.
While all of the answers are good and correct, simple solution in one line is:
$check = 9;
either:
echo ($check & 1 ? 'Odd' : 'Even');
or:
echo ($check % 2 ? 'Odd' : 'Even');
works very well.
As of Java 8+ you can use the java.time package. Specifically, use DateTimeFormatterBuilder and DateTimeFormatter to format the patterns and literals.
DateTimeFormatter formatter = new DateTimeFormatterBuilder()
.appendPattern("MM").appendLiteral("/")
.appendPattern("dd").appendLiteral("/")
.appendPattern("yyyy").appendLiteral(" ")
.appendPattern("hh").appendLiteral(":")
.appendPattern("mm").appendLiteral(":")
.appendPattern("ss").appendLiteral(" ")
.appendPattern("a")
.toFormatter();
System.out.println(LocalDateTime.now().format(formatter));
The output ...
06/22/2015 11:59:14 AM
Or if you want different time zone…
// system default
System.out.println(formatter.withZone(ZoneId.systemDefault()).format(Instant.now()));
// Chicago
System.out.println(formatter.withZone(ZoneId.of("America/Chicago")).format(Instant.now()));
// Kathmandu
System.out.println(formatter.withZone(ZoneId.of("Asia/Kathmandu")).format(Instant.now()));
The output ...
06/22/2015 12:38:42 PM
06/22/2015 02:08:42 AM
06/22/2015 12:53:42 PM
If you’re concerned about your code breaking, you should commit the composer.lock
to your version control system to ensure all your project collaborators are using the same version of the code. Without a lock file, you will get new third-party code being pulled down each time.
The exception is when you use a meta apps, libraries where the dependencies should be updated on install (like the Zend Framework 2 Skeleton App). So the aim is to grab the latest dependencies each time when you want to start developing.
Source: Composer: It’s All About the Lock File
See also: What are the differences between composer update and composer install?
The JMeter docs say the following:
The summary report creates a table row for each differently named request in your test. This is similar to the Aggregate Report , except that it uses less memory. The thoughput is calculated from the point of view of the sampler target (e.g. the remote server in the case of HTTP samples). JMeter takes into account the total time over which the requests have been generated. If other samplers and timers are in the same thread, these will increase the total time, and therefore reduce the throughput value. So two identical samplers with different names will have half the throughput of two samplers with the same name. It is important to choose the sampler labels correctly to get the best results from the Report.
Times are in milliseconds.
I solved the same issue 10 minutes ago, so I will give you a short effective fix: Place this inside the application tag or your manifest:
android:theme="@android:style/Theme.Holo"
Also set the Theme of your XML layout to Holo, in the layout's graphical view.
Libraries will be useful if you need to change more complicated theme stuff, but this little fix will work, so you can move on with your app.
You can create folder using the following Java code:
File dir = new File("nameoffolder");
dir.mkdir();
By executing above you will have folder 'nameoffolder' in current folder.
May use this-
#if defined CONDITION1 || defined CONDITION2
//your code here
#endif
This also does the same-
#if defined(CONDITION1) || defined(CONDITION2)
//your code here
#endif
Further-
#if defined CONDITION1 && defined CONDITION2
#if defined CONDITION1 ^ defined CONDITION2
#if defined CONDITION1 && !defined CONDITION2
Just to add to the correct answer above, in Vue.JS v1.0 you can write
<a v-on:click="doSomething">
So in this example it would be
v-on:change="foo"
search()
is a String method.
You are executing the attr
function on every <li>
element.
You need to invoke each
and use the this
reference within.
Example:
$('li').each(function() {
var isFound = $(this).attr('title').search(/string/i);
//do something based on isFound...
});
I was able to use Joey's Answer to create a function:
Use it as:
@echo off
SETLOCAL ENABLEDELAYEDEXPANSION
SET "MYTEXT=jump over the chair"
echo !MYTEXT!
call:ReplaceText "!MYTEXT!" chair table RESULT
echo !RESULT!
GOTO:EOF
And these Functions to the bottom of your Batch File.
:FUNCTIONS
@REM FUNCTIONS AREA
GOTO:EOF
EXIT /B
:ReplaceText
::Replace Text In String
::USE:
:: CALL:ReplaceText "!OrginalText!" OldWordToReplace NewWordToUse Result
::Example
::SET "MYTEXT=jump over the chair"
:: echo !MYTEXT!
:: call:ReplaceText "!MYTEXT!" chair table RESULT
:: echo !RESULT!
::
:: Remember to use the "! on the input text, but NOT on the Output text.
:: The Following is Wrong: "!MYTEXT!" !chair! !table! !RESULT!
:: ^^Because it has a ! around the chair table and RESULT
:: Remember to add quotes "" around the MYTEXT Variable when calling.
:: If you don't add quotes, it won't treat it as a single string
::
set "OrginalText=%~1"
set "OldWord=%~2"
set "NewWord=%~3"
call set OrginalText=%%OrginalText:!OldWord!=!NewWord!%%
SET %4=!OrginalText!
GOTO:EOF
And remember you MUST add "SETLOCAL ENABLEDELAYEDEXPANSION" to the top of your batch file or else none of this will work properly.
SETLOCAL ENABLEDELAYEDEXPANSION
@REM # Remember to add this to the top of your batch file.
The answer is to DISABLE "Enable auto-completion on each input". Tested and works perfectly.
The difference concerns redirecting POST
, PUT
and DELETE
requests and what the expectations of the server are for the user agent behavior (RFC 2616
):
Note: RFC 1945 and RFC 2068 specify that the client is not allowed to change the method on the redirected request. However, most existing user agent implementations treat 302 as if it were a 303 response, performing a GET on the Location field-value regardless of the original request method. The status codes 303 and 307 have been added for servers that wish to make unambiguously clear which kind of reaction is expected of the client.
Also, read Wikipedia article on the 30x redirection codes.
don't uninstall anything. a system with multiple versions of java works just fine. and you don't need to update your environment varables (e.g. java_home, path, etc..).
yes, ireports 3.6.1 needs java 7 (doesn't work with java 8).
all you have to do is edit C:\Program Files\Jaspersoft\iReport-nb-3.6.1\etc\ireport.conf:
# default location of JDK/JRE, can be overridden by using --jdkhome <dir> switch
jdkhome="C:/Program Files/Java/jdk1.7.0_45"
on linux (no spaces and standard file paths) its that much easier. keep your java 8 for other interesting projects...
I don't know about others, but I was used to define a "global constant" (DEBUG
) and then a global function (debug(msg)
) that would print msg
only if DEBUG == True
.
Then I write my debug statements like:
debug('My value: %d' % value)
...then I pick up unit testing and never did this again! :)
The button
element has a default type of submit
.
You can make it do nothing by setting a type of button
:
<button type="button">Cancel changes</button>
I like very short, clear, guaranteed code. Bonus point if it does not run an external program, since the day you need to process a huge number of entries, it will be noticeably faster.
Not sure about what guarantees you have and want, so offering anyway.
If you have guarantees you can do it with very short code. The idea is to use bash text substitution feature to cut the last slash and whatever follows.
Answer from simple to more complex cases of the original question.
P=/home/smith/Desktop/Test ; echo "${P%/*}"
/home/smith/Desktop
P=/home/smith/Desktop/Test/ ; echo "${P%/*/}/"
/home/smith/Desktop/
for P in \
/home/smith/Desktop/Test \
/home/smith/Desktop/Test/
do
P_ENDNOSLASH="${P%/}" ; echo "${P_ENDNOSLASH%/*}"
done
/home/smith/Desktop
/home/smith/Desktop
for P in \
/home/smith/Desktop/Test \
/home/smith/Desktop/Test/ \
/home/smith///Desktop////Test//
do
P_NODUPSLASH="${P//\/*(\/)/\/}"
P_ENDNOSLASH="${P_NODUPSLASH%%/}"
echo "${P_ENDNOSLASH%/*}";
done
/home/smith/Desktop
/home/smith/Desktop
/home/smith/Desktop
Those pesky black dots you are referencing to are called bullets.
They are pretty simple to remove, just add this line to your css:
ul {
list-style-type: none;
}
Hope this helps
For O(1) random access, which can not be beaten.
Off the top of my cat's head, make sure the div
you're trying to center is not set to width: 100%
.
If it is, then the rules set on the child divs are what will matter.
A common way is to make an int named loglevel, and define its debug level based on loglevel.
public static int LOGLEVEL = 2;
public static boolean ERROR = LOGLEVEL > 0;
public static boolean WARN = LOGLEVEL > 1;
...
public static boolean VERBOSE = LOGLEVEL > 4;
if (VERBOSE) Log.v(TAG, "Message here"); // Won't be shown
if (WARN) Log.w(TAG, "WARNING HERE"); // Still goes through
Later, you can just change the LOGLEVEL for all debug output level.
If you have issues with the xcode-select --install
command; e.g. I kept getting a network problem timeout, then try downloading the dmg at developer.apple.com/downloads (Command line tools OS X 10.11) for Xcode 7.1
Supports entering y|ye|yes and case insensitive.
switch -regex ($someString.ToLower()) {
"^y(es?)?$" {
"You entered Yes."
}
default { "You entered No." }
}
Use pandas.Series.dt.day_name()
, since pandas.Timestamp.weekday_name
has been deprecated:
import pandas as pd
df = pd.DataFrame({'my_dates':['2015-01-01','2015-01-02','2015-01-03'],'myvals':[1,2,3]})
df['my_dates'] = pd.to_datetime(df['my_dates'])
df['day_of_week'] = df['my_dates'].dt.day_name()
Output:
my_dates myvals day_of_week
0 2015-01-01 1 Thursday
1 2015-01-02 2 Friday
2 2015-01-03 3 Saturday
As user jezrael points out below, dt.weekday_name
was added in version 0.18.1
Pandas Docs
import pandas as pd
df = pd.DataFrame({'my_dates':['2015-01-01','2015-01-02','2015-01-03'],'myvals':[1,2,3]})
df['my_dates'] = pd.to_datetime(df['my_dates'])
df['day_of_week'] = df['my_dates'].dt.weekday_name
Output:
my_dates myvals day_of_week
0 2015-01-01 1 Thursday
1 2015-01-02 2 Friday
2 2015-01-03 3 Saturday
Use this:
http://pandas.pydata.org/pandas-docs/stable/generated/pandas.Series.dt.dayofweek.html
See this:
Get weekday/day-of-week for Datetime column of DataFrame
If you want a string instead of an integer do something like this:
import pandas as pd
df = pd.DataFrame({'my_dates':['2015-01-01','2015-01-02','2015-01-03'],'myvals':[1,2,3]})
df['my_dates'] = pd.to_datetime(df['my_dates'])
df['day_of_week'] = df['my_dates'].dt.dayofweek
days = {0:'Mon',1:'Tues',2:'Weds',3:'Thurs',4:'Fri',5:'Sat',6:'Sun'}
df['day_of_week'] = df['day_of_week'].apply(lambda x: days[x])
Output:
my_dates myvals day_of_week
0 2015-01-01 1 Thurs
1 2015-01-02 2 Fri
2 2015-01-01 3 Thurs
# aptitude clean
# aptitude --download-only install <your_package_here>
# cp /var/cache/apt/archives/*.deb <your_directory_here>
Copied from http://technet.microsoft.com/en-us/library/cc750354.aspx
What's FAT?
FAT may sound like a strange name for a file system, but it's actually an acronym for File Allocation Table. Introduced in 1981, FAT is ancient in computer terms. Because of its age, most operating systems, including Microsoft Windows NT®, Windows 98, the Macintosh OS, and some versions of UNIX, offer support for FAT.
The FAT file system limits filenames to the 8.3 naming convention, meaning that a filename can have no more than eight characters before the period and no more than three after. Filenames in a FAT file system must also begin with a letter or number, and they can't contain spaces. Filenames aren't case sensitive.
What About VFAT?
Perhaps you've also heard of a file system called VFAT. VFAT is an extension of the FAT file system and was introduced with Windows 95. VFAT maintains backward compatibility with FAT but relaxes the rules. For example, VFAT filenames can contain up to 255 characters, spaces, and multiple periods. Although VFAT preserves the case of filenames, it's not considered case sensitive.
When you create a long filename (longer than 8.3) with VFAT, the file system actually creates two different filenames. One is the actual long filename. This name is visible to Windows 95, Windows 98, and Windows NT (4.0 and later). The second filename is called an MS-DOS® alias. An MS-DOS alias is an abbreviated form of the long filename. The file system creates the MS-DOS alias by taking the first six characters of the long filename (not counting spaces), followed by the tilde [~] and a numeric trailer. For example, the filename Brien's Document.txt would have an alias of BRIEN'~1.txt.
An interesting side effect results from the way VFAT stores its long filenames. When you create a long filename with VFAT, it uses one directory entry for the MS-DOS alias and another entry for every 13 characters of the long filename. In theory, a single long filename could occupy up to 21 directory entries. The root directory has a limit of 512 files, but if you were to use the maximum length long filenames in the root directory, you could cut this limit to a mere 24 files. Therefore, you should use long filenames very sparingly in the root directory. Other directories aren't affected by this limit.
You may be wondering why we're discussing VFAT. The reason is it's becoming more common than FAT, but aside from the differences I mentioned above, VFAT has the same limitations. When you tell Windows NT to format a partition as FAT, it actually formats the partition as VFAT. The only time you'll have a true FAT partition under Windows NT 4.0 is when you use another operating system, such as MS-DOS, to format the partition.
FAT32
FAT32 is actually an extension of FAT and VFAT, first introduced with Windows 95 OEM Service Release 2 (OSR2). FAT32 greatly enhances the VFAT file system but it does have its drawbacks.
The greatest advantage to FAT32 is that it dramatically increases the amount of free hard disk space. To illustrate this point, consider that a FAT partition (also known as a FAT16 partition) allows only a certain number of clusters per partition. Therefore, as your partition size increases, the cluster size must also increase. For example, a 512-MB FAT partition has a cluster size of 8K, while a 2-GB partition has a cluster size of 32K.
This may not sound like a big deal until you consider that the FAT file system only works in single cluster increments. For example, on a 2-GB partition, a 1-byte file will occupy the entire cluster, thereby consuming 32K, or roughly 32,000 times the amount of space that the file should consume. This rule applies to every file on your hard disk, so you can see how much space can be wasted.
Converting a partition to FAT32 reduces the cluster size (and overcomes the 2-GB partition size limit). For partitions 8 GB and smaller, the cluster size is reduced to a mere 4K. As you can imagine, it's not uncommon to gain back hundreds of megabytes by converting a partition to FAT32, especially if the partition contains a lot of small files.
Note: This section of the quote/ article (1999) is out of date. Updated info quote below.
As I mentioned, FAT32 does have limitations. Unfortunately, it isn't compatible with any operating system other than Windows 98 and the OSR2 version of Windows 95. However, Windows 2000 will be able to read FAT32 partitions.
The other disadvantage is that your disk utilities and antivirus software must be FAT32-aware. Otherwise, they could interpret the new file structure as an error and try to correct it, thus destroying data in the process.
Finally, I should mention that converting to FAT32 is a one-way process. Once you've converted to FAT32, you can't convert the partition back to FAT16. Therefore, before converting to FAT32, you need to consider whether the computer will ever be used in a dual-boot environment. I should also point out that although other operating systems such as Windows NT can't directly read a FAT32 partition, they can read it across the network. Therefore, it's no problem to share information stored on a FAT32 partition with other computers on a network that run older operating systems.
Updated mentioned in comment by Doktor-J (assimilated to update out of date answer in case comment is ever lost):
I'd just like to point out that most modern operating systems (WinXP/Vista/7/8, MacOS X, most if not all Linux variants) can read FAT32, contrary to what the second-to-last paragraph suggests.
The original article was written in 1999, and being posted on a Microsoft website, probably wasn't concerned with non-Microsoft operating systems anyways.
The operating systems "excluded" by that paragraph are probably the original Windows 95, Windows NT 4.0, Windows 3.1, DOS, etc.
All the answers are old today as of 2019 you can directly access id keyed filds in javascript simply try it
<p id="mytext"></p>
<script>mytext.innerText = 'Yes that works!'</script>
Online Demo! - https://codepen.io/frank-dspeed/pen/mdywbre
Contrary to std::vector
and std::array
, std::unique_ptr
can own a NULL pointer.
This comes in handy when working with C APIs that expect either an array or NULL:
void legacy_func(const int *array_or_null);
void some_func() {
std::unique_ptr<int[]> ptr;
if (some_condition) {
ptr.reset(new int[10]);
}
legacy_func(ptr.get());
}
Pay attention to your dependency scope I was having the issue where when I invoke clean compile via Intellij, the pom would get downloaded, but the jar would not. There was a xxx.jar.lastUpdated file created. Then realized that the dependency scope was test, but I was triggering the compile. I deleted the repos, and triggered the mvn test, and issue was resolved.
Here is some code to get you started. You can modify the behavior of .innerHTML -- you could even create your own complete .innerHTML shim. (P.S.: redefining .innerHTML will also work in Firefox, but not Chrome -- they're working on it.)
if (/(msie|trident)/i.test(navigator.userAgent)) {
var innerhtml_get = Object.getOwnPropertyDescriptor(HTMLElement.prototype, "innerHTML").get
var innerhtml_set = Object.getOwnPropertyDescriptor(HTMLElement.prototype, "innerHTML").set
Object.defineProperty(HTMLElement.prototype, "innerHTML", {
get: function () {return innerhtml_get.call (this)},
set: function(new_html) {
var childNodes = this.childNodes
for (var curlen = childNodes.length, i = curlen; i > 0; i--) {
this.removeChild (childNodes[0])
}
innerhtml_set.call (this, new_html)
}
})
}
var mydiv = document.createElement ('div')
mydiv.innerHTML = "test"
document.body.appendChild (mydiv)
document.body.innerHTML = ""
console.log (mydiv.innerHTML)
UNI: For UNIQUE:
PRI: For PRIMARY:
MUL: For MULTIPLE:
If you write an image gallery with ImageView
s and ViewPager
, that supports zoom and pan, see a simple solution described here: Implementing a zoomable ImageView by Extending the Default ViewPager in Phimpme Android (and Github sample - PhotoView). This solution doesn't work with ViewPager
alone.
public class CustomViewPager extends ViewPager {
public CustomViewPager(Context context) {
super(context);
}
public CustomViewPager(Context context, AttributeSet attrs)
{
super(context,attrs);
}
@Override
public boolean onInterceptTouchEvent(MotionEvent event) {
try {
return super.onInterceptTouchEvent(event);
} catch (IllegalArgumentException e) {
return false;
}
}
}
I can think of a situation where postfix is slower than prefix increment:
Imagine a processor with register A
is used as accumulator and it's the only register used in many instructions (some small microcontrollers are actually like this).
Now imagine the following program and their translation into a hypothetical assembly:
Prefix increment:
a = ++b + c;
; increment b
LD A, [&b]
INC A
ST A, [&b]
; add with c
ADD A, [&c]
; store in a
ST A, [&a]
Postfix increment:
a = b++ + c;
; load b
LD A, [&b]
; add with c
ADD A, [&c]
; store in a
ST A, [&a]
; increment b
LD A, [&b]
INC A
ST A, [&b]
Note how the value of b
was forced to be reloaded. With prefix increment, the compiler can just increment the value and go ahead with using it, possibly avoid reloading it since the desired value is already in the register after the increment. However, with postfix increment, the compiler has to deal with two values, one the old and one the incremented value which as I show above results in one more memory access.
Of course, if the value of the increment is not used, such as a single i++;
statement, the compiler can (and does) simply generate an increment instruction regardless of postfix or prefix usage.
As a side note, I'd like to mention that an expression in which there is a b++
cannot simply be converted to one with ++b
without any additional effort (for example by adding a - 1
). So comparing the two if they are part of some expression is not really valid. Often, where you use b++
inside an expression you cannot use ++b
, so even if ++b
were potentially more efficient, it would simply be wrong. Exception is of course if the expression is begging for it (for example a = b++ + 1;
which can be changed to a = ++b;
).
The problem is that the function returns UTF-8 (it can check using mb_detect_encoding), but do not convert, and these characters takes as UTF-8. ?herefore, it's necessary to do the reverse-convert to initial encoding (Windows-1251 or CP1251) using iconv. But since by the fgetcsv returns an array, I suggest to write a custom function: [Sorry for my english]
function customfgetcsv(&$handle, $length, $separator = ';'){
if (($buffer = fgets($handle, $length)) !== false) {
return explode($separator, iconv("CP1251", "UTF-8", $buffer));
}
return false;
}
Try this.You have some symbols in $imageUrl
<img id="id1" src="$imageUrl" onload="javascript:showImage();">
Oracle does use double-quotes, but you most likely need to place the object name in upper case, e.g. "TABLE". By default, if you create an object without double quotes, e.g.
CREATE TABLE table AS ...
Oracle would create the object as upper case. However, the referencing is not case sensitive unless you use double-quotes!
Both of them behave differently when it comes to dynamic data handling.
If the variable is empty ( '' ) the null coalescing will treat the variable as true but the shorthand ternary operator won't. And that's something to have in mind.
$a = NULL;
$c = '';
print $a ?? '1b';
print "\n";
print $a ?: '2b';
print "\n";
print $c ?? '1d';
print "\n";
print $c ?: '2d';
print "\n";
print $e ?? '1f';
print "\n";
print $e ?: '2f';
And the output:
1b
2b
2d
1f
Notice: Undefined variable: e in /in/ZBAa1 on line 21
2f
Link: https://3v4l.org/ZBAa1
Checking your linked site, you may include a script tag passing a ?var=desiredVarName
parameter which will be set as a global variable containing the IP address:
<script type="text/javascript" src="http://l2.io/ip.js?var=myip"></script>
<!-- ^^^^ -->
<script>alert(myip);</script>
I believe I don't have to say that this can be easily spoofed (through either use of proxies or spoofed request headers), but it is worth noting in any case.
In case your page is served using the https
protocol, most browsers will block content in the same page served using the http
protocol (that includes scripts and images), so the options are rather limited. If you have < 5k hits/day, the Smart IP API can be used. For instance:
<script>
var myip;
function ip_callback(o) {
myip = o.host;
}
</script>
<script src="https://smart-ip.net/geoip-json?callback=ip_callback"></script>
<script>alert(myip);</script>
Edit: Apparently, this https
service's certificate has expired so the user would have to add an exception manually. Open its API directly to check the certificate state: https://smart-ip.net/geoip-json
The most resilient and simple way, in case you have back-end server logic, would be to simply output the requester's IP inside a <script>
tag, this way you don't need to rely on external resources. For example:
PHP:
<script>var myip = '<?php echo $_SERVER['REMOTE_ADDR']; ?>';</script>
There's also a more sturdy PHP solution (accounting for headers that are sometimes set by proxies) in this related answer.
C#:
<script>var myip = '<%= Request.UserHostAddress %>';</script>
MySQL (and subsequently SQLite) also support the REPLACE INTO syntax:
REPLACE INTO my_table (pk_id, col1) VALUES (5, '123');
This automatically identifies the primary key and finds a matching row to update, inserting a new one if none is found.
If Git for windows is installed, run Git Bash shell
:
bash
You can run ssh from within Bash shell (Bash is aware of the path of ssh)
To know the exact path of ssh, run "where" command in Bash shell:
$ where ssh
you get:
c:\Program Files\Git\usr\bin\ssh.exe
Another possibility is to select the Install Dependencies checkbox In the R package installer, on the bottom right:
Run
php -m -c
in your terminal, and then look for [Zend Modules]
. It should be somewhere there if it is loaded!
NB
If you're using Ubuntu, it may not show up here because you need to add the xdebug settings from /etc/php5/apache2/php.ini
into /etc/php5/cli/php.ini
. Mine are
[xdebug]
zend_extension = /usr/lib/php5/20121212/xdebug.so
xdebug.remote_enable=on
xdebug.remote_handler=dbgp
xdebug.remote_mode=req
xdebug.remote_host=localhost
xdebug.remote_port=9000
One possible way to count lines of code in Eclipse:
using the Search / File... menu, select File Search tab, specify \n[\s]* for Containing text (this will not count empty lines), and tick Regular expression.
Hat tip: www.monblocnotes.com/node/2030
SELECT Name
FROM sys.procedures
WHERE OBJECT_DEFINITION(OBJECT_ID) LIKE '%TableNameOrWhatever%'
BTW -- here is a handy resource for this type of question: Querying the SQL Server System Catalog FAQ
This has been already answered but I tried a different way to make it simpler.
The idea is using putting an ImageButton
on the right of EditText
and having negative margin to it so that the EditText
flows into the ImageButton
making it look like the Button is in the EditText
.
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<EditText
android:id="@+id/editText"
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:hint="Enter Pin"
android:singleLine="true"
android:textSize="25sp"
android:paddingRight="60dp"
/>
<ImageButton
android:id="@+id/pastePin"
android:layout_marginLeft="-60dp"
style="?android:buttonBarButtonStyle"
android:paddingBottom="5dp"
android:src="@drawable/ic_action_paste"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
Also, as shown above, you can use a paddingRight
of similar width in the EditText
if you don't want the text in it to be flown over the ImageButton
.
I guessed margin size with the help of android-studio's layout designer and it looks similar across all screen sizes. Or else you can calculate the width of the ImageButton
and set the margin programatically.
According to the documentation for UINavigationItem
:
self.navigationItem.setHidesBackButton(true, animated: true)
I think you can't achieve what you want in a more efficient manner than you proposed.
The underlying problem is that the timestamps (as you seem aware) are made up of two parts. The data that represents the UTC time, and the timezone, tz_info. The timezone information is used only for display purposes when printing the timezone to the screen. At display time, the data is offset appropriately and +01:00 (or similar) is added to the string. Stripping off the tz_info value (using tz_convert(tz=None)) doesn't doesn't actually change the data that represents the naive part of the timestamp.
So, the only way to do what you want is to modify the underlying data (pandas doesn't allow this... DatetimeIndex are immutable -- see the help on DatetimeIndex), or to create a new set of timestamp objects and wrap them in a new DatetimeIndex. Your solution does the latter:
pd.DatetimeIndex([i.replace(tzinfo=None) for i in t])
For reference, here is the replace
method of Timestamp
(see tslib.pyx):
def replace(self, **kwds):
return Timestamp(datetime.replace(self, **kwds),
offset=self.offset)
You can refer to the docs on datetime.datetime
to see that datetime.datetime.replace
also creates a new object.
If you can, your best bet for efficiency is to modify the source of the data so that it (incorrectly) reports the timestamps without their timezone. You mentioned:
I want to work with timezone naive timeseries (to avoid the extra hassle with timezones, and I do not need them for the case I am working on)
I'd be curious what extra hassle you are referring to. I recommend as a general rule for all software development, keep your timestamp 'naive values' in UTC. There is little worse than looking at two different int64 values wondering which timezone they belong to. If you always, always, always use UTC for the internal storage, then you will avoid countless headaches. My mantra is Timezones are for human I/O only.
Have you tried the following?:
textbox1.text = System.DateTime.Today.ToString("MM/dd/yy");
Be aware that 2 digit years could be bad in the future...
So, I've been reading a lot of the answers, and most of them don't take exceptions into account, like letters with accents or diaeresis (á, à, ä, etc.).
I made a function in typescript that should be pretty much extrapolable to any language that can use RegExp. This is my personal implementation for my use case in typescript. What I basically did is add ranges of letters with each kind of symbol that I wanted to add. I also converted the char to upper case before applying the RegExp, which saves me some work.
function isLetter(char: string): boolean {
return char.toUpperCase().match('[A-ZÀ-ÚÄ-Ü\s]+') !== null;
}
If you want to add another range of letters with another kind of accent, just add it to the regex. Same goes for special symbols.
I implemented this function with TDD and I can confirm this works with, at least, the following cases:
character | isLetter
${'A'} | ${true}
${'e'} | ${true}
${'Á'} | ${true}
${'ü'} | ${true}
${'ù'} | ${true}
${'û'} | ${true}
${'('} | ${false}
${'^'} | ${false}
${"'"} | ${false}
${'`'} | ${false}
To add button you may use either jQuery libraries or simple Javascript script as shown below:
HTML link or button:
<a href="#" onClick="goclear()" id="button">click event</a>
Javascript:
<script type="text/javascript">
var btn = document.getElementById('button');
function goclear() {
alert("Handler called. Page will redirect to clear.php");
document.location.href = "clear.php";
};
</script>
Use PHP to clear a file content. For instance you can use the fseek($fp, 0); or ftruncate ( resource $file , int $size ) as below:
<?php
//open file to write
$fp = fopen("/tmp/file.txt", "r+");
// clear content to 0 bits
ftruncate($fp, 0);
//close file
fclose($fp);
?>
Redirect PHP - you can use header ( string $string [, bool $replace = true [, int $http_response_code ]] )
<?php
header('Location: getbacktoindex.html');
?>
I hope it's help.
Having created my own emulator of the BBC Microcomputer of the 80s (type VBeeb into Google), there are a number of things to know.
Practically speaking, you're generally looking to write for speed and fidelity of emulation. This is because software on the target system will (may) run more slowly than the original hardware on the source system. That may constrain the choice of programming language, compilers, target system etc.
Further to that you have to circumscribe what you're prepared to emulate, for example its not necessary to emulate the voltage state of transistors in a microprocessor, but its probably necessary to emulate the state of the register set of the microprocessor.
Generally speaking the smaller the level of detail of emulation, the more fidelity you'll get to the original system.
Finally, information for older systems may be incomplete or non-existent. So getting hold of original equipment is essential, or at least prising apart another good emulator that someone else has written!
As mentioned above BOOL
could be an unsigned char
type depending on your architecture, while bool
is of type int
. A simple experiment will show the difference why BOOL and bool can behave differently:
bool ansicBool = 64;
if(ansicBool != true) printf("This will not print\n");
printf("Any given vlaue other than 0 to ansicBool is evaluated to %i\n", ansicBool);
BOOL objcBOOL = 64;
if(objcBOOL != YES) printf("This might print depnding on your architecture\n");
printf("BOOL will keep whatever value you assign it: %i\n", objcBOOL);
if(!objcBOOL) printf("This will not print\n");
printf("! operator will zero objcBOOL %i\n", !objcBOOL);
if(!!objcBOOL) printf("!! will evaluate objcBOOL value to %i\n", !!objcBOOL);
To your surprise if(objcBOOL != YES)
will evaluates to 1 by the compiler, since YES
is actually the character code 1, and in the eyes of compiler, character code 64 is of course not equal to character code 1 thus the if statement will evaluate to YES/true/1
and the following line will run.
However since a none zero bool
type always evaluates to the integer value of 1, the above issue will not effect your code. Below are some good tips if you want to use the Objective-C BOOL
type vs the ANSI C bool
type:
YES
or NO
value and nothing else.BOOL
types by using double not !!
operator to avoid unexpected results.YES
use if(!myBool) instead of if(myBool != YES)
it is much cleaner to use the not !
operator and gives the expected result..scroll {
width: 200px; height: 400px;
overflow: auto;
}
Have you installed drivers for the phone? http://developer.android.com/sdk/win-usb.html
It appears that the the sdk does not "install" the USB drivers. You can select that usb drivers in the sdk to see the file location, open that up, and right click to install the driver yourself.
If above doesn't work, @Abir Hasan appears to have another method in answers below.
Simply goto MySql Console.
If using Wamp:
That's it. This set your root password to secret
In order to set user privilege to default one:
SET PASSWORD FOR 'root'@'localhost' = PASSWORD('');
Works like a charm!
UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
[button addTarget:self
action:@selector(aMethod:)
forControlEvents:UIControlEventTouchDown];
[button setTitle:@"Show View" forState:UIControlStateNormal];
button.frame = CGRectMake(80.0, 210.0, 160.0, 40.0);
[view addSubview:button];
Use:
int Years(DateTime start, DateTime end)
{
return (end.Year - start.Year - 1) +
(((end.Month > start.Month) ||
((end.Month == start.Month) && (end.Day >= start.Day))) ? 1 : 0);
}
You could also do:
SELECT EMP_NAME, DEPT
FROM EMPLOYEE
WHERE TRUNC(TIME_CREATED) = DATE '2011-01-26'
java
is the root JNDI namespace for resources. What the original snippet of code means is that the container the application was initially deployed in did not apply any additional namespaces to the JNDI context you retrieved (as an example, Tomcat automatically adds all resources to the namespace comp/env
, so you would have to do dataSource = (javax.sql.DataSource) context.lookup("java:comp/env/jdbc/myDataSource");
if the resource reference name is jdbc/myDataSource
).
To avoid having to change your legacy code I think if you register the datasource with the name myDataSource
(remove the jdbc/
) you should be fine. Let me know if that works.
Right click the project and give maven build,maven clean,maven generate resource and maven install.The jar file will automatically generate.
Just write this simple line of code :-
button.performClick();
where button is the reference variable of Button class and defined as follows:-
private Button buttonToday ;
buttonToday = (Button) findViewById(R.id.buttonToday);
That's it.
And also check with your antivirus, in case of me its avast, its blocking me from accessing market place, so i disabled it for few mins and tried accessing market place from eclipse , it worked!!!
Yes, you must open php.ini
and remove the semicolon to:
;extension=php_openssl.dll
If you don't have that line, check that you have the file (In my PC is on D:\xampp\php\ext
) and add this to php.ini
in the "Dynamic Extensions" section:
extension=php_openssl.dll
Things have changed for PHP > 7. This is what i had to do for PHP 7.2.
Step: 1: Uncomment extension=openssl
Step: 2: Uncomment extension_dir = "ext"
Step: 3: Restart xampp.
Done.
Explanation: ( From php.ini )
If you wish to have an extension loaded automatically, use the following syntax:
extension=modulename
Note : The syntax used in previous PHP versions (extension=<ext>.so
and extension='php_<ext>.dll
) is supported for legacy reasons and may be deprecated in a future PHP major version. So, when it is possible, please move to the new (extension=<ext>
) syntax.
Special Note: Be sure to appropriately set the extension_dir
directive.
If you use
ssh [email protected] "~/tools/run_pvt.pl $BUILD_NUMBER"
instead of
ssh [email protected] '~/tools/run_pvt.pl $BUILD_NUMBER'
your shell will interpolate the $BUILD_NUMBER
before sending the command string to the remote host.
In general the best way is to Change the table collation. However I have an old application and are not really able to estimate the outcome whether this has side effects. Therefore I tried somehow to convert the string into some other format that solved the collation problem.
What I found working is to do the string compare by converting the strings into a hexadecimal representation of it's characters. On the database this is done with HEX(column).
For PHP you may use this function:
public static function strToHex($string)
{
$hex = '';
for ($i=0; $i<strlen($string); $i++){
$ord = ord($string[$i]);
$hexCode = dechex($ord);
$hex .= substr('0'.$hexCode, -2);
}
return strToUpper($hex);
}
When doing the database query, your original UTF8 string must be converted first into an iso string (e.g. using utf8_decode()
in PHP) before using it in the DB. Because of the collation type the database cannot have UTF8 characters inside so the comparism should work event though this changes the original string (converting UTF8 characters that are not existend in the ISO charset result in a ? or these are removed entirely). Just make sure that when you write data into the database, that you use the same UTF8 to ISO conversion.
If you want to get specific columns using with()
in laravel eloquent then you can use code as below which is originally answered by @Adam in his answer here in response of this same question :
Post::with('user:id,username')->get();
So i have used it in my code but it was giving me error of 1052: Column 'id' in field list is ambiguous
, so if you guys are also facing same problem
Then for solving it you have to specify table name before the id column in with()
method as below code:
Post::with('user:user.id,username')->get();
Your logic is backwards.
SELECT
*
FROM
`test_table`
WHERE
start_date NOT BETWEEN CAST('2009-12-15' AS DATE) and CAST('2010-01-02' AS DATE)
AND end_date NOT BETWEEN CAST('2009-12-15' AS DATE) and CAST('2010-01-02' AS DATE)
This is a solution which uses only sys-tables.
It lists all the primary keys in the database. It returns schema, table name, column name and the correct column sort order for each primary key.
If you want to get the primary key for a specific table, then you need to filter on SchemaName
and TableName
.
IMHO, this solution is very generic and does not use any string literals, so it will run on any machine.
select
s.name as SchemaName,
t.name as TableName,
tc.name as ColumnName,
ic.key_ordinal as KeyOrderNr
from
sys.schemas s
inner join sys.tables t on s.schema_id=t.schema_id
inner join sys.indexes i on t.object_id=i.object_id
inner join sys.index_columns ic on i.object_id=ic.object_id
and i.index_id=ic.index_id
inner join sys.columns tc on ic.object_id=tc.object_id
and ic.column_id=tc.column_id
where i.is_primary_key=1
order by t.name, ic.key_ordinal ;
var values = $("input[name='user_group']:checked").map(function(){
return $(this).val();
}).get();
This will give you all the values of the checked boxed in an array.
I understand that its been answered already. but I hope this will help someone in future and saves so much time and pain.
complete code is below: This one I did for a textbox to make it Autocomplete in CiviCRM. Hope it helps someone
CRM.$( 'input[id^=custom_78]' ).autocomplete({
autoFill: true,
select: function (event, ui) {
var label = ui.item.label;
var value = ui.item.value;
// Update subject field to add book year and book product
var book_year_value = CRM.$('select[id^=custom_77] option:selected').text().replace('Book Year ','');
//book_year_value.replace('Book Year ','');
var subject_value = book_year_value + '/' + ui.item.label;
CRM.$('#subject').val(subject_value);
CRM.$( 'input[name=product_select_id]' ).val(ui.item.value);
CRM.$('input[id^=custom_78]').val(ui.item.label);
return false;
},
source: function(request, response) {
CRM.$.ajax({
url: productUrl,
data: {
'subCategory' : cj('select[id^=custom_77]').val(),
's': request.term,
},
beforeSend: function( xhr ) {
xhr.overrideMimeType( "text/plain; charset=x-user-defined" );
},
success: function(result){
result = jQuery.parseJSON( result);
//console.log(result);
response(CRM.$.map(result, function (val,key) {
//console.log(key);
//console.log(val);
return {
label: val,
value: key
};
}));
}
})
.done(function( data ) {
if ( console && console.log ) {
// console.log( "Sample of dataas:", data.slice( 0, 100 ) );
}
});
}
});
PHP code on how I'm returning data to this jquery ajax call in autocomplete:
/**
* This class contains all product related functions that are called using AJAX (jQuery)
*/
class CRM_Civicrmactivitiesproductlink_Page_AJAX {
static function getProductList() {
$name = CRM_Utils_Array::value( 's', $_GET );
$name = CRM_Utils_Type::escape( $name, 'String' );
$limit = '10';
$strSearch = "description LIKE '%$name%'";
$subCategory = CRM_Utils_Array::value( 'subCategory', $_GET );
$subCategory = CRM_Utils_Type::escape( $subCategory, 'String' );
if (!empty($subCategory))
{
$strSearch .= " AND sub_category = ".$subCategory;
}
$query = "SELECT id , description as data FROM abc_books WHERE $strSearch";
$resultArray = array();
$dao = CRM_Core_DAO::executeQuery( $query );
while ( $dao->fetch( ) ) {
$resultArray[$dao->id] = $dao->data;//creating the array to send id as key and data as value
}
echo json_encode($resultArray);
CRM_Utils_System::civiExit();
}
}
Great answers! I guess the answer to my question was "no" I was not missing some obvious solution. Here is the function I will use that condenses the good ideas expressed in the answers.
def int2base(x,b,alphabet='0123456789abcdefghijklmnopqrstuvwxyz'):
'convert an integer to its string representation in a given base'
if b<2 or b>len(alphabet):
if b==64: # assume base64 rather than raise error
alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
else:
raise AssertionError("int2base base out of range")
if isinstance(x,complex): # return a tuple
return ( int2base(x.real,b,alphabet) , int2base(x.imag,b,alphabet) )
if x<=0:
if x==0:
return alphabet[0]
else:
return '-' + int2base(-x,b,alphabet)
# else x is non-negative real
rets=''
while x>0:
x,idx = divmod(x,b)
rets = alphabet[idx] + rets
return rets
When I want to have docstrings for my bash functions, I use a solution similar to the suggestion of user12205 in a duplicate of this question.
See how I define USAGE for a solution that:
function foo {
# Docstring
read -r -d '' USAGE <<' END'
# This method prints foo to the terminal.
#
# Enter `foo -h` to see the docstring.
# It has indentations and multiple lines.
#
# Change the delimiter if you need hashtag for some reason.
# This can include $$ and = and eval, but won't be evaluated
END
if [ "$1" = "-h" ]
then
echo "$USAGE" | cut -d "#" -f 2 | cut -c 2-
return
fi
echo "foo"
}
So foo -h
yields:
This method prints foo to the terminal.
Enter `foo -h` to see the docstring.
It has indentations and multiple lines.
Change the delimiter if you need hashtag for some reason.
This can include $$ and = and eval, but won't be evaluated
Explanation
cut -d "#" -f 2
: Retrieve the second portion of the #
delimited lines. (Think a csv with "#" as the delimiter, empty first column).
cut -c 2-
: Retrieve the 2nd to end character of the resultant string
Also note that if [ "$1" = "-h" ]
evaluates as False
if there is no first argument, w/o error, since it becomes an empty string.
$.ajax({
type:"POST",
url: "<?php echo admin_url('admin-ajax.php'); ?>",
data: associated_buildsorprojects_form,
success:function(data){
// do console.log(data);
console.log(data);
// you'll find that what exactly inside data
// I do not prefer alter(data); now because, it does not
// completes requirement all the time
// After that you can easily put if condition that you do not want like
// if(data != '')
// if(data == null)
// or whatever you want
},
error: function(errorThrown){
alert(errorThrown);
alert("There is an error with AJAX!");
}
});
It's very easy if you use Kotlin:
val textFile = File(cacheDir, "/text_file.txt")
val allText = textFile.readText()
println(allText)
From readText()
docs:
Gets the entire content of this file as a String using UTF-8 or specified charset. This method is not recommended on huge files. It has an internal limitation of 2 GB file size.
The precise meaning of these terms is going to depend a lot on what language/system/universe you are talking about.
In HTML/XML, an attribute is the part of a tag with an equals sign and a value, and property doesn't mean anything, for example.
So we need more information about what domain you're discussing.
Dyamic date BETWEEN sql query
var startDate = '2019-08-22';
var Enddate = '2019-10-22'
let sql = "SELECT * FROM Cases WHERE created_at BETWEEN '?' AND '?'";
const users = await mysql.query( sql, [startDate, Enddate]);
As at PHP 7.3:
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BEARER);
curl_setopt($ch,CURLOPT_XOAUTH2_BEARER,$bearerToken);
Just a heads up, while some of the answers posted here are correct (in a sense) one thing that you may need to do is go back to the root folder to delve down into the folder holding the image you want to set as the background. In other words, this code is correct in accomplishing your goal:
body {
background-image:url('images/background.png');
background-repeat:no-repeat;
background-attachment:fixed;
}
But you may also need to add a little more to the code, like this:
body {
background-image:url('../images/background.png');
background-repeat:no-repeat;
background-attachment:fixed;
}
The difference, as you can see, is that you may need to add “../” in front of the “images/background.png” call. This same rule also applies in HTML5 web pages. So if you are trying the first sample code listed here and you are still not getting the background image, try adding the “../” in front of “images”. Hope this helps .
Decimal has a fixed precision while float has variable precision.
EDIT (failed to read entire question): Float(53) (aka real) is a double-precision (64-bit) floating point number in SQL Server. Regular Float is a single-precision (32-bit) floating point number. Double is a good combination of precision and simplicty for a lot of calculations. You can create a very high precision number with decimal -- up to 136-bit -- but you also have to be careful that you define your precision and scale correctly so that it can contain all your intermediate calculations to the necessary number of digits.
The thing to watch out for when writing C++ dlls is name mangling. If you want interoperability between C and C++, you'd be better off by exporting non-mangled C-style functions from within the dll.
You have two options to use a dll
LoadLibrary()
or some suitable function to load the library, retrieve a function pointer (GetProcAddress
) and call it -- runtime dynamic linkingExporting classes will not work if you follow the second method though.
Since I was helped with my project by the answer above (I asked a duplicate question and was referred here), I am submitting an answer (my test code) for bracket notation when nesting within the var:
<html>_x000D_
<head>_x000D_
<script type="text/javascript">_x000D_
function displayFile(whatOption, whatColor) {_x000D_
var Test01 = {_x000D_
rectangle: {_x000D_
red: "RectangleRedFile",_x000D_
blue: "RectangleBlueFile"_x000D_
},_x000D_
square: {_x000D_
red: "SquareRedFile",_x000D_
blue: "SquareBlueFile"_x000D_
}_x000D_
};_x000D_
var filename = Test01[whatOption][whatColor];_x000D_
alert(filename);_x000D_
}_x000D_
</script>_x000D_
</head>_x000D_
<body>_x000D_
<p onclick="displayFile('rectangle', 'red')">[ Rec Red ]</p>_x000D_
<br/>_x000D_
<p onclick="displayFile('square', 'blue')">[ Sq Blue ]</p>_x000D_
<br/>_x000D_
<p onclick="displayFile('square', 'red')">[ Sq Red ]</p>_x000D_
</body>_x000D_
</html>
_x000D_
This isn't appropriate in all situations but you can conditionally return false
inside the component itself if a certain criteria is or isn't met.
It doesn't unmount the component, but it removes all rendered content. This would only be bad, in my mind, if you have event listeners in the component that should be removed when the component is no longer needed.
import React, { Component } from 'react';
export default class MyComponent extends Component {
constructor(props) {
super(props);
this.state = {
hideComponent: false
}
}
closeThis = () => {
this.setState(prevState => ({
hideComponent: !prevState.hideComponent
})
});
render() {
if (this.state.hideComponent === true) {return false;}
return (
<div className={`content`} onClick={() => this.closeThis}>
YOUR CODE HERE
</div>
);
}
}
The following command will give you the list of files that the gem package installed:
dpkg -L gem
that should help you troubleshoot.
You can enter (for example) text from div into iFrame:
var $iframe = $('#iframe');
$iframe.ready(function() {
$iframe.contents().find("body").append($('#mytext'));
});
and divs:
<iframe id="iframe"></iframe>
<div id="mytext">Hello!</div>
and JSFiddle demo: link
You can include a different jade file into your template, that to from a different directory
views/
layout.jade
static/
page.jade
To include the layout file from views dir to static/page.jade
page.jade
extends ../views/layout
In Linux, it was solved by opening PyCharm from the terminal and leaving it open. After that, I was able to choose the correct interpreter in preferences. In my case, linked to a virtual environment (venv).
The below can be useful to access a dict keyed by abbreviations:
>>> from nltk.data import load
>>> tagdict = load('help/tagsets/upenn_tagset.pickle')
>>> tagdict['NN'][0]
'noun, common, singular or mass'
>>> tagdict.keys()
['PRP$', 'VBG', 'VBD', '``', 'VBN', ',', "''", 'VBP', 'WDT', ...
Try this ( also corrected check for upper case and lower case, it had a bug since you grouped them as [a-zA-Z] it only looks for atleast one lower or upper. So separated them out ):
(?!^[0-9]*$)(?!^[a-z]*$)(?!^[A-Z]*$)^(.{8,15})$
Update: I found that the regex doesn't really work as expected and this is not how it is supposed to be written too!
Try something like this:
(?=^.{8,15}$)(?=.*\d)(?=.*[A-Z])(?=.*[a-z])(?!.*\s).*$
(Between 8 and 15 inclusive, contains atleast one digit, atleast one upper case and atleast one lower case and no whitespace.)
And I think this is easier to understand as well.
With a clustered index the rows are stored physically on the disk in the same order as the index. Therefore, there can be only one clustered index.
With a non clustered index there is a second list that has pointers to the physical rows. You can have many non clustered indices, although each new index will increase the time it takes to write new records.
It is generally faster to read from a clustered index if you want to get back all the columns. You do not have to go first to the index and then to the table.
Writing to a table with a clustered index can be slower, if there is a need to rearrange the data.
The Solarized color theme (both light and dark versions) for IntelliJ IDEA is available here.
import numpy as np
hist, bin_edges = np.histogram([1, 1, 2, 2, 2, 2, 3], bins = range(5))
Below, hist
indicates that there are 0 items in bin #0, 2 in bin #1, 4 in bin #3, 1 in bin #4.
print(hist)
# array([0, 2, 4, 1])
bin_edges
indicates that bin #0 is the interval [0,1), bin #1 is [1,2), ...,
bin #3 is [3,4).
print (bin_edges)
# array([0, 1, 2, 3, 4]))
Play with the above code, change the input to np.histogram
and see how it works.
But a picture is worth a thousand words:
import matplotlib.pyplot as plt
plt.bar(bin_edges[:-1], hist, width = 1)
plt.xlim(min(bin_edges), max(bin_edges))
plt.show()
Include this setting in xampp my.ini configuration file:
[mysqld]
group_concat_max_len = 1000000
Then restart xampp mysql
You can change the value of a bool all you want. As for an if:
if randombool == True:
works, but you can also use:
if randombool:
If you want to test whether something is false you can use:
if randombool == False
but you can also use:
if not randombool:
I think you just need to create your volume outside docker first with a docker create -v /location --name
and then reuse it.
And by the time I used to use docker a lot, it wasn't possible to use a static docker volume with dockerfile definition so my suggestion is to try the command line (eventually with a script ) .
south
plugin:Like T.T suggested in his answer, my previous answer was for south
migration plugin, when Django hasn't any schema migration features.
Now (works in Django 1.9+):
You can try this!
python manage.py makemigrations python manage.py migrate --run-syncdb
south
migrations pluginAs I can see you done it all in wrong order, to fix it up your should complete this checklist (I assume you can't delete sqlite3 database file to start over):
- Grab any SQLite GUI tool (i.e. http://sqliteadmin.orbmu2k.de/)
- Change your model definition to match database definition (best approach is to comment new fields)
- Delete
migrations
folder in your model- Delete rows in
south_migrationhistory
table whereapp_name
match your application name (probablyhomework
)- Invoke:
./manage.py schemamigration <app_name> --initial
- Create tables by
./manage.py migrate <app_name> --fake
(--fake
will skip SQL execute because table already exists in your database)- Make changes to your app's model
- Invoke
./manage.py schemamigration <app_name> --auto
- Then apply changes to database:
./manage.py migrate <app_name>
Steps 7,8,9 repeat whenever your model needs any changes.
There is a lot of good information here, but I wanted to add a simple snippet that I find useful.
How does it differ from some above?
_usage(){
_echoerr "Usage: $0 <args>"
}
_echoerr(){
echo "$*" >&2
}
if [ "$#" -eq 0 ]; then # NOTE: May need to customize this conditional
_usage
exit 2
fi
main "$@"
If you can't use JodaTime, you can do the following:
Calendar startCalendar = new GregorianCalendar();
startCalendar.setTime(startDate);
Calendar endCalendar = new GregorianCalendar();
endCalendar.setTime(endDate);
int diffYear = endCalendar.get(Calendar.YEAR) - startCalendar.get(Calendar.YEAR);
int diffMonth = diffYear * 12 + endCalendar.get(Calendar.MONTH) - startCalendar.get(Calendar.MONTH);
Note that if your dates are 2013-01-31 and 2013-02-01, you get a distance of 1 month this way, which may or may not be what you want.
I need to code such that if a certain list index exists, then run a function.
This is the perfect use for a try block:
ar=[1,2,3]
try:
t=ar[5]
except IndexError:
print('sorry, no 5')
# Note: this only is a valid test in this context
# with absolute (ie, positive) index
# a relative index is only showing you that a value can be returned
# from that relative index from the end of the list...
However, by definition, all items in a Python list between 0
and len(the_list)-1
exist (i.e., there is no need for a try block if you know 0 <= index < len(the_list)
).
You can use enumerate if you want the indexes between 0 and the last element:
names=['barney','fred','dino']
for i, name in enumerate(names):
print(i + ' ' + name)
if i in (3,4):
# do your thing with the index 'i' or value 'name' for each item...
If you are looking for some defined 'index' thought, I think you are asking the wrong question. Perhaps you should consider using a mapping container (such as a dict) versus a sequence container (such as a list). You could rewrite your code like this:
def do_something(name):
print('some thing 1 done with ' + name)
def do_something_else(name):
print('something 2 done with ' + name)
def default(name):
print('nothing done with ' + name)
something_to_do={
3: do_something,
4: do_something_else
}
n = input ("Define number of actors: ")
count = 0
names = []
for count in range(n):
print("Define name for actor {}:".format(count+1))
name = raw_input ()
names.append(name)
for name in names:
try:
something_to_do[len(name)](name)
except KeyError:
default(name)
Runs like this:
Define number of actors: 3
Define name for actor 1: bob
Define name for actor 2: tony
Define name for actor 3: alice
some thing 1 done with bob
something 2 done with tony
nothing done with alice
You can also use .get method rather than try/except for a shorter version:
>>> something_to_do.get(3, default)('bob')
some thing 1 done with bob
>>> something_to_do.get(22, default)('alice')
nothing done with alice
I was also facing the same issue until I added the type="module" to the script.
Before it was like this
<script src="../src/main.js"></script>
And after changing it to
<script type="module" src="../src/main.js"></script>
It worked perfectly.
Resolution fix: For me, the problem was related to active chrome sessions. I closed all of my chrome browser sessions and then tried building to chrome again. I am using Visual Studio Professional 2017 version 15.3.2. The VS application I was running into build errors with was a WebAPI project. When trying to click the green play button, I was getting dialog error stating "Unable to start the program 'http://localhost:18980/'. An operation is not legal in the current state. Hopefully this post helps someone.
OK guys, this is a small solution, but it works fine.
suppose the following code:
<div id='the_div_holder' style='height: 400px; overflow-y: scroll'>
<div class='post'>1st post</div>
<div class='post'>2nd post</div>
<div class='post'>3rd post</div>
</div>
you want when a new post is added to 'the_div_holder' then it scrolls its inner content (the div's .post) to the last one like a chat. So, do the following whenever a new .post is added to the main div holder:
var scroll = function(div) {
var totalHeight = 0;
div.find('.post').each(function(){
totalHeight += $(this).outerHeight();
});
div.scrollTop(totalHeight);
}
// call it:
scroll($('#the_div_holder'));
In the spring jar package, I use new ClassPathResource(filename).getFile()
, which throws the exception:
cannot be resolved to absolute file path because it does not reside in the file system: jar
But using new ClassPathResource(filename).getInputStream()
will solve this problem. The reason is that the configuration file in the jar does not exist in the operating system's file tree,so must use getInputStream()
.
we can change the default tomcat file upload location, as
we have to set the environment variable like : CATALINA_TEMPDIR = YOUR FILE UPLOAD LOCATION. this location will change the path here: java -Djava.io.tmpdir=/path/to/tmpdir
First off, you should use dataUsingEncoding:
instead of going through UTF8String
. You only use UTF8String
when you need a C
string in that encoding.
Then, for UTF-16
, just pass NSUnicodeStringEncoding
instead of NSUTF8StringEncoding
in your dataUsingEncoding:
message.
If you'd like to overwrite column B in the dataframe, this should work:
df = df.groupby('A',as_index=False).agg(lambda x:'\n'.join(x))
The documentation for this is good if not a little difficult to find.
Facebook Graph API - Page Tokens
After initializing node's fbgraph, you can run:
var facebookAccountID = yourAccountIdHere
graph
.setOptions(options)
.get(facebookAccountId + "/accounts", function(err, res) {
console.log(res);
});
and receive a JSON response with the token you want to grab, located at:
res.data[0].access_token
Yes, the best practice is to check-in (YES, CHECK-IN)
I agree that it will cause a lot of noise or conflict when seeing the diff. But the benefits are:
^1.2.3
in your package.json
, but how can u ensure each time npm install
will pick up the same version in your dev machine and in the build server, especially those indirect dependency packages? Well, package-lock.json
will ensure that. (With the help of npm ci
which installs packages based on lock file)npm audit fix
(I think the audit feature is from npm version 6).SERVICO.BAT
@echo off
echo Servico: %1
if "%1"=="" goto erro
sc query %1 | findstr RUNNING
if %ERRORLEVEL% == 2 goto trouble
if %ERRORLEVEL% == 1 goto stopped
if %ERRORLEVEL% == 0 goto started
echo unknown status
goto end
:trouble
echo trouble
goto end
:started
echo started
goto end
:stopped
echo stopped
goto end
:erro
echo sintaxe: servico NOMESERVICO
goto end
:end
You can't do that: you must specify fully resolved type, like Data<MyType>
. T
is just a variable, and as is meaningless.
But if you mean that T
will be known, just not statically, you need to create equivalent of TypeReference
dynamically. Other questions referenced may already mention this, but it should look something like:
public Data<T> read(InputStream json, Class<T> contentClass) {
JavaType type = mapper.getTypeFactory().constructParametricType(Data.class, contentClass);
return mapper.readValue(json, type);
}
setState(updater[, callback])
is an async function:
https://facebook.github.io/react/docs/react-component.html#setstate
You can execute a function after setState is finishing using the second param callback
like:
this.setState({
someState: obj
}, () => {
this.afterSetStateFinished();
});
The same can be done with hooks in React functional component:
https://github.com/the-road-to-learn-react/use-state-with-callback#usage
Look at useStateWithCallbackLazy:
import { useStateWithCallbackLazy } from 'use-state-with-callback';
const [count, setCount] = useStateWithCallbackLazy(0);
setCount(count + 1, () => {
afterSetCountFinished();
});
Some numpy functions for how to control the rounding: rint, floor,trunc, ceil. depending how u wish to round the floats, up, down, or to the nearest int.
>>> x = np.array([[1.0,2.3],[1.3,2.9]])
>>> x
array([[ 1. , 2.3],
[ 1.3, 2.9]])
>>> y = np.trunc(x)
>>> y
array([[ 1., 2.],
[ 1., 2.]])
>>> z = np.ceil(x)
>>> z
array([[ 1., 3.],
[ 2., 3.]])
>>> t = np.floor(x)
>>> t
array([[ 1., 2.],
[ 1., 2.]])
>>> a = np.rint(x)
>>> a
array([[ 1., 2.],
[ 1., 3.]])
To make one of this in to int, or one of the other types in numpy, astype (as answered by BrenBern):
a.astype(int)
array([[1, 2],
[1, 3]])
>>> y.astype(int)
array([[1, 2],
[1, 2]])
In .Net Core 3+ and .Net 5+:
string escapedJsonString = JsonEncodedText.Encode(jsonString);
This query will help you:
select *
from XXXX
where datepart(YYYY,create_date)>=2013
and DATEPART(YYYY,create_date)<=2014
Use YAML files for properties, this supports properties as an array.
Quick glance about YAML:
A superset of JSON, it can do everything JSON can + more
I'm actually surprised that no one in this page has offered any HTML solutions. As far I have understood MarkDown files can include wide portion (if not all) of HTML tags. So follow these steps:
From here: put your MarkDown files in <span style="display:block"> ... </span>
tags to be sure they will be rendered as markdown. You have a whole lot of other style properties you can add. The one I like is the text-align:justify
.
From here: Include the files in your main file using the <iframe src="/path/to/file.md" seamless></iframe>
P.S.1. this solution does not work on all MarkDown engines / renders. For example Typora did render the files correctly but Visual Studio Code didn't. It would be great if others could share their experience with other platforms. Specially I would like to hear about GitHub and GitLab ...
P.S.2. On further investigation there seems to be major incompatibility issues leading to this not being properly rendered on many platforms, including Typora, GitHub and Visual Studio code. Please do not use this till I resolve them. I will not delete the answer just for the sake of discussion and if maybe you can share your opinions.
P.S.3. To further investigate this issue I have asked this questions here on StackOverflow and here on Reddit.
P.S.4. After some through study, I came to the conclusion that for the moment AsciiDoc is a better option for documentation. It comes with built-in include functionality, it is rendered by GitHub, and major code editors like Atom and vscode have extensions for live preview. One can use Pandoc or other tools to automatically convert existing MarkDown Code to AsciiDoc with minor changes.
P.S.5. Another lightweight markup language with built-in include functionality is reStructuredText
. It comes with .. include:: inclusion.txt
syntax by standard. There is ReText editor with live preview as well.
SparkSQl support writing programs using Dataset and Dataframe API, along with it need to support sql.
In order to support Sql on DataFrames, first it requires a table definition with column names are required, along with if it creates tables the hive metastore will get lot unnecessary tables, because Spark-Sql natively resides on hive. So it will create a temporary view, which temporarily available in hive for time being and used as any other hive table, once the Spark Context stop it will be removed.
In order to create the view, developer need an utility called createOrReplaceTempView
If there is no randomstate provided the system will use a randomstate that is generated internally. So, when you run the program multiple times you might see different train/test data points and the behavior will be unpredictable. In case, you have an issue with your model you will not be able to recreate it as you do not know the random number that was generated when you ran the program.
If you see the Tree Classifiers - either DT or RF, they try to build a try using an optimal plan. Though most of the times this plan might be the same there could be instances where the tree might be different and so the predictions. When you try to debug your model you may not be able to recreate the same instance for which a Tree was built. So, to avoid all this hassle we use a random_state while building a DecisionTreeClassifier or RandomForestClassifier.
PS: You can go a bit in depth on how the Tree is built in DecisionTree to understand this better.
randomstate is basically used for reproducing your problem the same every time it is run. If you do not use a randomstate in traintestsplit, every time you make the split you might get a different set of train and test data points and will not help you in debugging in case you get an issue.
From Doc:
If int, randomstate is the seed used by the random number generator; If RandomState instance, randomstate is the random number generator; If None, the random number generator is the RandomState instance used by np.random.
I have replaced the printf
calls with calls to warning
in the C-code now. It will be effective in the version 2.17.2 which should be available tomorrow night. Then you should be able to avoid the warnings with suppressWarnings()
or any of the other above mentioned methods.
suppressWarnings({ your code })
The META-INF folder is the home for the MANIFEST.MF file. This file contains meta data about the contents of the JAR. For example, there is an entry called Main-Class that specifies the name of the Java class with the static main() for executable JAR files.
I had the same error when I deployed my app. I've got solution from this site: Component with CLSID XXX failed due to the following error: 80070005 Access is denied
Here is this solution:
In DCOMCNFG, right click on the My Computer and select properties.
Choose the COM Securities tab.
In Access Permissions, click Edit Defaults and add Network Service to it and give it Allow local access permission. Do the same for < Machine_name >\Users.
In Launch and Activation Permissions, click Edit Defaults and add Network Service to it and give it Local launch and Local Activation permission. Do the same for < Machine_name >\Users.
*I used forms authentication.
Are you interested in counting the executable lines rather than the total file line count? If so you could try a code coverage tool such as EclEmma. As a side effect of the code coverage stats you get stats on the number of executable lines and blocks (and methods and classes). These are rolled up from the method level upwards, so you can see line counts for the packages, source roots and projects as well.
The accepted answer is the correct way to do this in most cases. However, there are some situations where you want to set the cookie header manually. Normally if you set a "Cookie" header it is ignored, but that's because HttpClientHandler
defaults to using its CookieContainer
property for cookies. If you disable that then by setting UseCookies
to false
you can set cookie headers manually and they will appear in the request, e.g.
var baseAddress = new Uri("http://example.com");
using (var handler = new HttpClientHandler { UseCookies = false })
using (var client = new HttpClient(handler) { BaseAddress = baseAddress })
{
var message = new HttpRequestMessage(HttpMethod.Get, "/test");
message.Headers.Add("Cookie", "cookie1=value1; cookie2=value2");
var result = await client.SendAsync(message);
result.EnsureSuccessStatusCode();
}
You can use:
dir /s
If you need the list without all the header/footer information try this:
dir /s /b
(For sure this will work for DOS 6 and later; might have worked prior to that, but I can't recall.)
I want to make some unit test to get maximal code coverage
Code coverage should never be the goal of writing unit tests. You should write unit tests to prove that your code is correct, or help you design it better, or help someone else understand what the code is meant to do.
but I dont see how I can test my method checkIfValidElements, it returns nothing or change nothing.
Well you should probably give a few tests, which between them check that all 7 methods are called appropriately - both with an invalid argument and with a valid argument, checking the results of ErrorFile
each time.
For example, suppose someone removed the call to:
method4(arg1, arg2);
... or accidentally changed the argument order:
method4(arg2, arg1);
How would you notice those problems? Go from that, and design tests to prove it.
Static libraries do not link with other static libraries. The only way to do this is to use your librarian/archiver tool (for example ar on Linux) to create a single new static library by concatenating the multiple libraries.
Edit: In response to your update, the only way I know to select only the symbols that are required is to manually create the library from the subset of the .o files that contain them. This is difficult, time consuming and error prone. I'm not aware of any tools to help do this (not to say they don't exist), but it would make quite an interesting project to produce one.
You can't have two Content-Type
s (well technically that's what we're doing below, but they are separated with each part of the multipart, but the main type is multipart). That's basically what you are expecting with your method. You are expecting mutlipart and json together as the main media type. The Employee
data needs to be part of the multipart. So you can add a @FormDataParam("emp")
for the Employee
.
@FormDataParam("emp") Employee emp) { ...
Here's the class I used for testing
@Path("/multipart")
public class MultipartResource {
@POST
@Path("/upload2")
@Consumes({MediaType.MULTIPART_FORM_DATA})
public Response uploadFileWithData(
@FormDataParam("file") InputStream fileInputStream,
@FormDataParam("file") FormDataContentDisposition cdh,
@FormDataParam("emp") Employee emp) throws Exception{
Image img = ImageIO.read(fileInputStream);
JOptionPane.showMessageDialog(null, new JLabel(new ImageIcon(img)));
System.out.println(cdh.getName());
System.out.println(emp);
return Response.ok("Cool Tools!").build();
}
}
First I just tested with the client API to make sure it works
@Test
public void testGetIt() throws Exception {
final Client client = ClientBuilder.newBuilder()
.register(MultiPartFeature.class)
.build();
WebTarget t = client.target(Main.BASE_URI).path("multipart").path("upload2");
FileDataBodyPart filePart = new FileDataBodyPart("file",
new File("stackoverflow.png"));
// UPDATE: just tested again, and the below code is not needed.
// It's redundant. Using the FileDataBodyPart already sets the
// Content-Disposition information
filePart.setContentDisposition(
FormDataContentDisposition.name("file")
.fileName("stackoverflow.png").build());
String empPartJson
= "{"
+ " \"id\": 1234,"
+ " \"name\": \"Peeskillet\""
+ "}";
MultiPart multipartEntity = new FormDataMultiPart()
.field("emp", empPartJson, MediaType.APPLICATION_JSON_TYPE)
.bodyPart(filePart);
Response response = t.request().post(
Entity.entity(multipartEntity, multipartEntity.getMediaType()));
System.out.println(response.getStatus());
System.out.println(response.readEntity(String.class));
response.close();
}
I just created a simple Employee
class with an id
and name
field for testing. This works perfectly fine. It shows the image, prints the content disposition, and prints the Employee
object.
I'm not too familiar with Postman, so I saved that testing for last :-)
It appears to work fine also, as you can see the response "Cool Tools"
. But if we look at the printed Employee
data, we'll see that it's null. Which is weird because with the client API it worked fine.
If we look at the Preview window, we'll see the problem
There's no Content-Type
header for the emp
body part. You can see in the client API I explicitly set it
MultiPart multipartEntity = new FormDataMultiPart()
.field("emp", empPartJson, MediaType.APPLICATION_JSON_TYPE)
.bodyPart(filePart);
So I guess this is really only part of a full answer. Like I said, I am not familiar with Postman So I don't know how to set Content-Type
s for individual body parts. The image/png
for the image was automatically set for me for the image part (I guess it was just determined by the file extension). If you can figure this out, then the problem should be solved. Please, if you find out how to do this, post it as an answer.
See UPDATE below for solution
Basic configurations:
Dependency:
<dependency>
<groupId>org.glassfish.jersey.media</groupId>
<artifactId>jersey-media-multipart</artifactId>
<version>${jersey2.version}</version>
</dependency>
Client config:
final Client client = ClientBuilder.newBuilder()
.register(MultiPartFeature.class)
.build();
Server config:
// Create JAX-RS application.
final Application application = new ResourceConfig()
.packages("org.glassfish.jersey.examples.multipart")
.register(MultiPartFeature.class);
If you're having problems with the server configuration, one of the following posts might help
So as you can see from the Postman client, some clients are unable to set individual parts' Content-Type, this includes the browser, in regards to it's default capabilities when using FormData
(js).
We can't expect the client to find away around this, so what we can do, is when receiving the data, explicitly set the Content-Type before deserializing. For example
@POST
@Path("upload2")
@Consumes(MediaType.MULTIPART_FORM_DATA)
public Response uploadFileAndJSON(@FormDataParam("emp") FormDataBodyPart jsonPart,
@FormDataParam("file") FormDataBodyPart bodyPart) {
jsonPart.setMediaType(MediaType.APPLICATION_JSON_TYPE);
Employee emp = jsonPart.getValueAs(Employee.class);
}
It's a little extra work to get the POJO, but it is a better solution than forcing the client to try and find it's own solution.
Another option is to use a String parameter and use whatever JSON library you use to deserialze the String to the POJO (like Jackson ObjectMapper). With the previous option, we just let Jersey handle the deserialization, and it will use the same JSON library it uses for all the other JSON endpoints (which might be preferred).
Use below code to populate selected option from your model.
<select id="roomForListing" ng-model="selectedRoom.roomName" >
<option ng-repeat="room in roomList" title="{{room.roomName}}" ng-selected="{{room.roomName == selectedRoom.roomName}}" value="{{room.roomName}}">{{room.roomName}}</option>
</select>
I think that it's better to use simply str_replace, like the manual says:
If you don't need fancy replacing rules (like regular expressions), you should always use this function instead of ereg_replace() or preg_replace().
<?
$badUrl = "http://www.site.com/backend.php?/c=crud&m=index&t=care";
$goodUrl = str_replace('?/', '?', $badUrl);
with ggplot2:
library(ggplot2)
Animals <- read.table(
header=TRUE, text='Category Reason Species
1 Decline Genuine 24
2 Improved Genuine 16
3 Improved Misclassified 85
4 Decline Misclassified 41
5 Decline Taxonomic 2
6 Improved Taxonomic 7
7 Decline Unclear 41
8 Improved Unclear 117')
ggplot(Animals, aes(factor(Reason), Species, fill = Category)) +
geom_bar(stat="identity", position = "dodge") +
scale_fill_brewer(palette = "Set1")
I will throw one more solution into the mix. I downloaded a sample app and it was crimping only on this taglib. Turns out it didn't care for the single quotes around the attributes.
<%@ taglib prefix='c' uri='http://java.sun.com/jsp/jstl/core' %>
Once I changed those and made sure jstl.jar was in the web app, i was good to go.
In Swift 3
let data = string.data(using: .utf8)
In Swift 2 (or if you already have a NSString
instance)
let data = string.dataUsingEncoding(NSUTF8StringEncoding)
In Swift 1 (or if you have a swift String
):
let data = (string as NSString).dataUsingEncoding(NSUTF8StringEncoding)
Also note that data
is an Optional<NSData>
(since the conversion might fail), so you'll need to unwrap it before using it, for instance:
if let d = data {
println(d)
}
This can be the solution:
git fetch
git checkout origin/master -- FolderPathName/fileName
Thanks.
The following code might be useful for web application using JavaScript.
var newURL = window.location.protocol + "//" + window.location.host + "" + window.location.pathname;
newURL = newURL.substring(0,newURL.indexOf(""));
I do a lot of logging where the timestamps are float64 and use this function to get the timestamps as string:
func dateFormat(layout string, d float64) string{
intTime := int64(d)
t := time.Unix(intTime, 0)
if layout == "" {
layout = "2006-01-02 15:04:05"
}
return t.Format(layout)
}
ssh-keygen isn't a windows executable.
You can use PuttyGen (http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html) for example to create a key
open eclipse.ini and replace with this ~
-startup
plugins/org.eclipse.equinox.launcher_1.3.0.v20120522-1813.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.1.200.v20120522-1813
-product
com.android.ide.eclipse.adt.package.product
--launcher.XXMaxPermSize
256M
-showsplash
com.android.ide.eclipse.adt.package.product
--launcher.XXMaxPermSize
256m
--launcher.defaultAction
openFile
-vmargs
-Dosgi.requiredJavaVersion=1.6
-Xms40m
-Xmx768m
-Declipse.buildId=v21.0.0-531062
this work for me, good luck ~
The assembly was introduced with .NET 3.5 and is in the GAC.
Simply add a .NET reference to your project.
Project -> Right Click References
-> Select .NET
tab -> System.Web.Extensions
If it is not there, you need to install .NET 3.5 or 4.0.
In Xcode 8,
Work 100%. maybe not relation to creator answer but i share it for users have a problem with export mysql query to excel with phpexcel. Good Luck.
require('../phpexcel/PHPExcel.php');
require('../phpexcel/PHPExcel/Writer/Excel5.php');
$filename = 'userReport'; //your file name
$objPHPExcel = new PHPExcel();
/*********************Add column headings START**********************/
$objPHPExcel->setActiveSheetIndex(0)
->setCellValue('A1', 'username')
->setCellValue('B1', 'city_name');
/*********************Add data entries START**********************/
//get_result_array_from_class**You can replace your sql code with this line.
$result = $get_report_clas->get_user_report();
//set variable for count table fields.
$num_row = 1;
foreach ($result as $value) {
$user_name = $value['username'];
$c_code = $value['city_name'];
$num_row++;
$objPHPExcel->setActiveSheetIndex(0)
->setCellValue('A'.$num_row, $user_name )
->setCellValue('B'.$num_row, $c_code );
}
/*********************Autoresize column width depending upon contents START**********************/
foreach(range('A','B') as $columnID) {
$objPHPExcel->getActiveSheet()->getColumnDimension($columnID)->setAutoSize(true);
}
$objPHPExcel->getActiveSheet()->getStyle('A1:B1')->getFont()->setBold(true);
//Make heading font bold
/*********************Add color to heading START**********************/
$objPHPExcel->getActiveSheet()
->getStyle('A1:B1')
->getFill()
->setFillType(PHPExcel_Style_Fill::FILL_SOLID)
->getStartColor()
->setARGB('99ff99');
$objPHPExcel->getActiveSheet()->setTitle('userReport'); //give title to sheet
$objPHPExcel->setActiveSheetIndex(0);
header('Content-Type: application/vnd.ms-excel');
header("Content-Disposition: attachment;Filename=$filename.xls");
header('Cache-Control: max-age=0');
$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');
$objWriter->save('php://output');
For Merge sort worst case is O(n*log(n))
, for Quick sort: O(n
2)
. For other cases (avg, best) both have O(n*log(n))
. However Quick sort is space constant where Merge sort depends on the structure you're sorting.
See this comparison.
You can also see it visually.
I was having this exact problem, then realized that I had defined in my application.properties:
spring.resources.static-locations=file:/var/www/static
Which was overriding everything else I had tried. In my case, I wanted to keep both, so I just kept the property and added:
spring.resources.static-locations=file:/var/www/static,classpath:static
Which served files from src/main/resources/static as localhost:{port}/file.html.
None of the above worked for me because nobody mentioned this little property that could have easily been copied from online to serve a different purpose ;)
Hope it helps! Figured it would fit well in this long post of answers for people with this problem.
Here are more approaches for doing this by using numpy.ravel()
, numpy.array()
, utilizing the fact that 1D arrays can be unpacked into plain elements:
# we'll utilize the concept of unpacking
In [15]: (*a, *b)
Out[15]: (1, 2, 3, 5, 6)
# using `numpy.ravel()`
In [14]: np.ravel((*a, *b))
Out[14]: array([1, 2, 3, 5, 6])
# wrap the unpacked elements in `numpy.array()`
In [16]: np.array((*a, *b))
Out[16]: array([1, 2, 3, 5, 6])
One of the reasons that C++ was designed was to make it easy to reuse code. In general, C++ should be written so that it works whether the class is instantiated on the heap, in an array, or on the stack. "Delete this" is a very bad coding practice because it will only work if a single instance is defined on the heap; and there had better not be another delete statement, which is typically used by most developers to clean up the heap. Doing this also assumes that no maintenance programmer in the future will cure a falsely perceived memory leak by adding a delete statement.
Even if you know in advance that your current plan is to only allocate a single instance on the heap, what if some happy-go-lucky developer comes along in the future and decides to create an instance on the stack? Or, what if he cuts and pastes certain portions of the class to a new class that he intends to use on the stack? When the code reaches "delete this" it will go off and delete it, but then when the object goes out of scope, it will call the destructor. The destructor will then try to delete it again and then you are hosed. In the past, doing something like this would screw up not only the program but the operating system and the computer would need to be rebooted. In any case, this is highly NOT recommended and should almost always be avoided. I would have to be desperate, seriously plastered, or really hate the company I worked for to write code that did this.
Simple program to write objects to file and read objects from file.
package program;_x000D_
_x000D_
import java.io.File;_x000D_
import java.io.FileInputStream;_x000D_
import java.io.FileOutputStream;_x000D_
import java.io.ObjectInputStream;_x000D_
import java.io.ObjectOutputStream;_x000D_
import java.io.Serializable;_x000D_
_x000D_
public class TempList {_x000D_
_x000D_
public static void main(String[] args) throws Exception {_x000D_
Counter counter = new Counter(10);_x000D_
_x000D_
File f = new File("MyFile.txt");_x000D_
FileOutputStream fos = new FileOutputStream(f);_x000D_
ObjectOutputStream oos = new ObjectOutputStream(fos);_x000D_
oos.writeObject(counter);_x000D_
oos.close();_x000D_
_x000D_
FileInputStream fis = new FileInputStream(f);_x000D_
ObjectInputStream ois = new ObjectInputStream(fis);_x000D_
Counter newCounter = (Counter) ois.readObject();_x000D_
System.out.println(newCounter.count);_x000D_
ois.close();_x000D_
}_x000D_
_x000D_
}_x000D_
_x000D_
class Counter implements Serializable {_x000D_
_x000D_
private static final long serialVersionUID = -628789568975888036 L;_x000D_
_x000D_
int count;_x000D_
_x000D_
Counter(int count) {_x000D_
this.count = count;_x000D_
}_x000D_
}
_x000D_
After running the program the output in your console window will be 10 and you can find the file inside Test folder by clicking on the icon show in below image.
Taking up @ZF007's answer, this is not answering your question as a whole, but can be the solution for the same error. I post it here since I have not found a direct solution as an answer to this error message elsewhere on Stack Overflow.
The error appears when you check whether an array was empty or not.
if np.array([1,2]): print(1)
--> ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()
.
if np.array([1,2])[0]: print(1)
--> no ValueError, but: if np.array([])[0]: print(1)
--> IndexError: index 0 is out of bounds for axis 0 with size 0
.
if np.array([1]): print(1)
--> no ValueError, but again will not help at an array with many elements.
if np.array([]): print(1)
--> DeprecationWarning: The truth value of an empty array is ambiguous. Returning False, but in future this will result in an error. Use 'array.size > 0' to check that an array is not empty.
Doing so:
if np.array([]).size: print(1)
solved the error.LOAD DATA INFILE 'file.csv'
INTO TABLE t1
(column1, @dummy, column2, @dummy, column3, ...)
FIELDS TERMINATED BY ',' ENCLOSED BY '"' ESCAPED BY '"'
LINES TERMINATED BY '\r\n';
Just replace the column1, column2, etc.. with your column names, and put @dummy anwhere there's a column in the CSV you want to ignore.
Full details here.
I don't think you can do this with CSS. Instead, at regular 'word lengths' along the string, insert an HTML soft-hyphen:
ACTGATCG­AGCTGAAG­CGCAGTGC­GATGCTTC­GATGATGC­TGACGATG
This will display a hyphen at the end of the line, where it wraps, which may or may not be what you want.
Note Safari seems to wrap the long string in a <textarea>
anyway, unlike Firefox.
I had the same problem as I like using the Try-method-pattern which basically seems to be incompatible to the async-await-paradigm...
Important to me is that I can call the Try-method within a single if-clause and do not have to pre-define the out-variables before, but can do it in-line like in the following example:
if (TryReceive(out string msg))
{
// use msg
}
So I came up with the following solution:
Define a helper struct:
public struct AsyncOut<T, OUT>
{
private readonly T returnValue;
private readonly OUT result;
public AsyncOut(T returnValue, OUT result)
{
this.returnValue = returnValue;
this.result = result;
}
public T Out(out OUT result)
{
result = this.result;
return returnValue;
}
public T ReturnValue => returnValue;
public static implicit operator AsyncOut<T, OUT>((T returnValue ,OUT result) tuple) =>
new AsyncOut<T, OUT>(tuple.returnValue, tuple.result);
}
Define async Try-method like this:
public async Task<AsyncOut<bool, string>> TryReceiveAsync()
{
string message;
bool success;
// ...
return (success, message);
}
Call the async Try-method like this:
if ((await TryReceiveAsync()).Out(out string msg))
{
// use msg
}
For multiple out parameters you can define additional structs (e.g. AsyncOut<T,OUT1, OUT2>) or you can return a tuple.
rmdir /s /q folder
powershell -Command "Remove-Item -LiteralPath 'folder' -Force -Recurse"
Note that in more cases del
and rmdir
wil leave you with leftover files, where Powershell manages to delete the files.
Very simple ! Here is my suggestion :
If you want to select dataframes in your workspace, try this :
Filter(function(x) is.data.frame(get(x)) , ls())
or
ls()[sapply(ls(), function(x) is.data.frame(get(x)))]
all these will give the same result.
You can change is.data.frame
to check other types of variables like is.function
You can pass --rcfile
to Bash to cause it to read a file of your choice. This file will be read instead of your .bashrc
. (If that's a problem, source ~/.bashrc
from the other script.)
Edit: So a function to start a new shell with the stuff from ~/.more.sh
would look something like:
more() { bash --rcfile ~/.more.sh ; }
... and in .more.sh
you would have the commands you want to execute when the shell starts. (I suppose it would be elegant to avoid a separate startup file -- you cannot use standard input because then the shell will not be interactive, but you could create a startup file from a here document in a temporary location, then read it.)
Going off of what Derloopkat said, which still can fail on conversion (no offense Derloopkat) because Excel is terrible at this:
It will open, check it to make sure it's accurate and then save as an excel file.
jQuery("a[href^='#']").click(function(){_x000D_
jQuery('html, body').animate({_x000D_
scrollTop: jQuery( jQuery(this).attr('href') ).offset().top_x000D_
}, 1000);_x000D_
return false;_x000D_
});
_x000D_
If you are sure that this change is suitable for the environment you're working in: set the FK conditions on the secondary tables to UPDATE CASCADING.
For example, if using SSMS as GUI:
When you then update a value in the PK column in your primary table, the FK references in the other tables will be updated to point at the new value, preserving data integrity.
I struggled with this at first with node.js and async.js is the best library I have found to help you deal with this. If you want to write synchronous code with node, approach is this way.
var async = require('async');
console.log('in main');
doABunchOfThings(function() {
console.log('back in main');
});
function doABunchOfThings(fnCallback) {
async.series([
function(callback) {
console.log('step 1');
callback();
},
function(callback) {
setTimeout(callback, 1000);
},
function(callback) {
console.log('step 2');
callback();
},
function(callback) {
setTimeout(callback, 2000);
},
function(callback) {
console.log('step 3');
callback();
},
], function(err, results) {
console.log('done with things');
fnCallback();
});
}
this program will ALWAYS produce the following...
in main
step 1
step 2
step 3
done with things
back in main
How to tell on Ubuntu if apache2 is running:
sudo service apache2 status
/etc/init.d/apache2 status
ps aux | grep apache
Well, after researching and fighting with the problem for hours, I found out that there are two ways to accomplish this, depending on the structure of your table and if you have foreign keys restrictions activated to maintain integrity. I'd like to share this in a clean format to save some time to the people that may be in my situation.
In other words, you don't have foreign key, or if you have them, your SQLite engine is configured so that there no are integrity exceptions. The way to go is INSERT OR REPLACE. If you are trying to insert/update a player whose ID already exists, the SQLite engine will delete that row and insert the data you are providing. Now the question comes: what to do to keep the old ID associated?
Let's say we want to UPSERT with the data user_name='steven' and age=32.
Look at this code:
INSERT INTO players (id, name, age)
VALUES (
coalesce((select id from players where user_name='steven'),
(select max(id) from drawings) + 1),
32)
The trick is in coalesce. It returns the id of the user 'steven' if any, and otherwise, it returns a new fresh id.
After monkeying around with the previous solution, I realized that in my case that could end up destroying data, since this ID works as a foreign key for other table. Besides, I created the table with the clause ON DELETE CASCADE, which would mean that it'd delete data silently. Dangerous.
So, I first thought of a IF clause, but SQLite only has CASE. And this CASE can't be used (or at least I did not manage it) to perform one UPDATE query if EXISTS(select id from players where user_name='steven'), and INSERT if it didn't. No go.
And then, finally I used the brute force, with success. The logic is, for each UPSERT that you want to perform, first execute a INSERT OR IGNORE to make sure there is a row with our user, and then execute an UPDATE query with exactly the same data you tried to insert.
Same data as before: user_name='steven' and age=32.
-- make sure it exists
INSERT OR IGNORE INTO players (user_name, age) VALUES ('steven', 32);
-- make sure it has the right data
UPDATE players SET user_name='steven', age=32 WHERE user_name='steven';
And that's all!
As Andy has commented, trying to insert first and then update may lead to firing triggers more often than expected. This is not in my opinion a data safety issue, but it is true that firing unnecessary events makes little sense. Therefore, a improved solution would be:
-- Try to update any existing row
UPDATE players SET age=32 WHERE user_name='steven';
-- Make sure it exists
INSERT OR IGNORE INTO players (user_name, age) VALUES ('steven', 32);
As an answer I say No. You can only get values from jstl to javascript. But u can display the user name using javascript itself. Best ways are here. To display user name, if u have html like
<div id="uName"></div>
You can display user name as follows.
var val1 = document.getElementById('userName').value;
document.getElementById('uName').innerHTML = val1;
var userName = '<c:out value="${user}"/>';
here ${user} is the data you get as response(from backend).
var arrayLength = <c:out value="${details.size()}"/>;
function advanced(){
var values = new Array();
<c:if test="${empty details.users}">
values.push("No user found");
</c:if>
<c:if test="${!empty details.users}">
<c:forEach var="user" items="${details.users}" varStatus="stat">
values.push("${user.name}");
</c:forEach>
</:c:if>
alert("values[0] "+values[0]);
});
On newer versions of yum, this information is stored in the "yumdb" when the package is installed. This is the only 100% accurate way to get the information, and you can use:
yumdb search from_repo repoid
(or repoquery and grep -- don't grep yum output). However the command "find-repos-of-install" was part of yum-utils for a while which did the best guess without that information:
http://james.fedorapeople.org/yum/commands/find-repos-of-install.py
As floyd said, a lot of repos. include a unique "dist" tag in their release, and you can look for that ... however from what you said, I guess that isn't the case for you?
Download your sdk file, go to Android studio: File->New->Import Module
POSIX is:
POSIX (pronounced /'p?z?ks/) or "Portable Operating System Interface [for Unix]"1 is the name of a family of related standards specified by the IEEE to define the application programming interface (API), along with shell and utilities interfaces for software compatible with variants of the Unix operating system, although the standard can apply to any operating system.
Basically it was a set of measures to ease the pain of development and usage of different flavours of UNIX by having a (mostly) common API and utilities. Limited POSIX compliance also extended to various versions of Windows.
Yes, methinks you need to arrange your data appropriately. One way would be this:
X <- data.frame(x=rep(x,2),
y=c(3*x+eps, 2*x+eps),
case=rep(c("first","second"), each=100))
qplot(x, y, data=X, facets = . ~ case) + geom_smooth()
I am sure there are better tricks in plyr or reshape -- I am still not really up to speed on all these powerful packages by Hadley.
The algorithm you are using, "AES", is a shorthand for "AES/ECB/NoPadding". What this means is that you are using the AES algorithm with 128-bit key size and block size, with the ECB mode of operation and no padding.
In other words: you are only able to encrypt data in blocks of 128 bits or 16 bytes. That's why you are getting that IllegalBlockSizeException
exception.
If you want to encrypt data in sizes that are not multiple of 16 bytes, you are either going to have to use some kind of padding, or a cipher-stream. For instance, you could use CBC mode (a mode of operation that effectively transforms a block cipher into a stream cipher) by specifying "AES/CBC/NoPadding" as the algorithm, or PKCS5 padding by specifying "AES/ECB/PKCS5", which will automatically add some bytes at the end of your data in a very specific format to make the size of the ciphertext multiple of 16 bytes, and in a way that the decryption algorithm will understand that it has to ignore some data.
In any case, I strongly suggest that you stop right now what you are doing and go study some very introductory material on cryptography. For instance, check Crypto I on Coursera. You should understand very well the implications of choosing one mode or another, what are their strengths and, most importantly, their weaknesses. Without this knowledge, it is very easy to build systems which are very easy to break.
Update: based on your comments on the question, don't ever encrypt passwords when storing them at a database!!!!! You should never, ever do this. You must HASH the passwords, properly salted, which is completely different from encrypting. Really, please, don't do what you are trying to do... By encrypting the passwords, they can be decrypted. What this means is that you, as the database manager and who knows the secret key, you will be able to read every password stored in your database. Either you knew this and are doing something very, very bad, or you didn't know this, and should get shocked and stop it.
After reading so many articles Stackoverflow posts and demo applications to check variable property attributes, I decided to put all the attributes information together:
Below is the detailed article link where you can find above mentioned all attributes, that will definitely help you. Many thanks to all the people who give best answers here!!
1.strong (iOS4 = retain )
Example:
@property (strong, nonatomic) ViewController *viewController;
@synthesize viewController;
2.weak -
Example :
@property (weak, nonatomic) IBOutlet UIButton *myButton;
@synthesize myButton;
Strong & Weak Explanation, Thanks to BJ Homer:
Imagine our object is a dog, and that the dog wants to run away (be deallocated).
Strong pointers are like a leash on the dog. As long as you have the leash attached to the dog, the dog will not run away. If five people attach their leash to one dog, (five strong pointers to one object), then the dog will not run away until all five leashes are detached.
Weak pointers, on the other hand, are like little kids pointing at the dog and saying "Look! A dog!" As long as the dog is still on the leash, the little kids can still see the dog, and they'll still point to it. As soon as all the leashes are detached, though, the dog runs away no matter how many little kids are pointing to it.
As soon as the last strong pointer (leash) no longer points to an object, the object will be deallocated, and all weak pointers will be zeroed out.
When we use weak?
The only time you would want to use weak, is if you wanted to avoid retain cycles (e.g. the parent retains the child and the child retains the parent so neither is ever released).
3.retain = strong
Example:
@property (nonatomic, retain) NSString *name;
@synthesize name;
4.assign
Example:
@property (nonatomic, assign) NSString *address;
@synthesize address;
Suppose you have following lines of code
MyUrl = "www.google.com" #Your url goes here
urllib.urlretrieve(MyUrl)
If you are receiving following error message
AttributeError: module 'urllib' has no attribute 'urlretrieve'
Then you should try following code to fix the issue:
import urllib.request
MyUrl = "www.google.com" #Your url goes here
urllib.request.urlretrieve(MyUrl)
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.
I made a small treatment after the URI object creation
if (url.startsWith("http:/")) {
if (!url.contains("http://")) {
url = url.replaceAll("http:/", "http://");
}
} else {
url = "http://" + url;
}
URI uri = new URI(url);
String domain = uri.getHost();
return domain.startsWith("www.") ? domain.substring(4) : domain;
Paint.net is a free photo-editing tool that allows for transparent backgrounds. There is a simple example on YouTube http://www.youtube.com/watch?v=cdFpS-AvNCE. If you are still on Windows XP SP2 and that's an issue, I would first recommend doing the free service pack upgrade. But if that is not an option there are older versions of Paint.net that you could download and try.
You mean the ASCII ordinal value? Try type casting like this one:
int x = 'a';
For Vb.Net Framework 4.0, U can use:
Alert("your message here", Boolean)
The Boolean here can be True or False. True If you want to close the window right after, False If you want to keep the window open.
In my case I had to go to the MySQL installer, then configuration button for the MySQL server, then next until the option to "create the server as a windows service" ticked that, gave it a service name as MySQL8.0, next and then finish, that solved the issue and started a new service
If you also have multiple elements and you want a link with read more button after ellipsis, take a look on https://stackoverflow.com/a/51418807/10104342
If you want something like this:
Every month first 10 TB are are not charged. All other traffic... Read more
Don't know much about python 2.
In python 3, the parent folder can be added as follows:
import sys
sys.path.append('..')
...and then one is able to import modules from it
Many ways this can be achieved.
Simple approach should be taking Substring
of an input string.
var result = input.Substring(input.Length - 3);
Another approach using Regular Expression
to extract last 3 characters.
var result = Regex.Match(input,@"(.{3})\s*$");
Working Demo
This is how I achieved it in my code:
if($('.citiescheckbox:checked').length == $('.citiescheckbox').length){
$('.citycontainer').hide();
}else{
$('.citycontainer').show();
}
Combining @Joachim's with the above, you could use
next(iter(my_list[index:index+1]), default)
Examples:
next(iter(range(10)[8:9]), 11)
8
>>> next(iter(range(10)[12:13]), 11)
11
Or, maybe more clear, but without the len
my_list[index] if my_list[index:index + 1] else default
Also make sure you using the ssh github url and not the https
Initialy both dropdown have same option ,the option you select in firstdropdown is hidden in seconddropdown."value" is custom attribute which is unique.
$(".seconddropdown option" ).each(function() {
if(($(this).attr('value')==$(".firstdropdown option:selected").attr('value') )){
$(this).hide();
$(this).siblings().show();
}
});
You are creating an alias P
and later in the where
clause you are using the same, that is what is creating the problem. Don't use P
in where
, try this instead:
SELECT Replace(Postcode, ' ', '') AS P FROM Contacts
WHERE Postcode LIKE 'NW101%'
I am stuck on the same problem. Setting alpha is not what I want.
UIButton
has "background image" and "background color".
For image, UIButton
has a property as
@property (nonatomic) BOOL adjustsImageWhenDisabled
And background image is drawn lighter when the button is disabled. For background color, setting alpha, Ravin's solution, works fine.
First, you have to check whether you have unchecked "disabled adjusts image" box under Utilities-Attributes.
Then, check the background color for this button.
(Hope it's helpful. This is an old post; things might have changed in Xcode).
Where you have a posted date in format dd/mm/yyyy, use the below:
$date = explode('/', $_POST['posted_date']);
$new_date = $date[2].'-'.$date[1].'-'.$date[0];
If you have it in mm/dd/yyyy, just change the second line:
$new_date = $date[2].'-'.$date[0].'-'.$date[1];
Simply put, hash-based collections aren't indexed so you have to do it manually.
The code is very long so I can't paste all the code.
There could be any number of reasons why your code doesn't work. Maybe you declared the button variables twice so you aren't actually changing enabling/disabling the button like you think you are. Maybe you are blocking the EDT.
You need to create a SSCCE to post on the forum.
So its up to you to isolate the problem. Start with a simple frame thas two buttons and see if your code works. Once you get that working, then try starting a Thread that simply sleeps for 10 seconds to see if it still works.
Learn how the basice work first before writing a 200 line program.
Learn how to do some basic debugging, we are not mind readers. We can't guess what silly mistake you are doing based on your verbal description of the problem.
You can do this with the UITableView
property separatorStyle
. Make sure the property is set to UITableViewCellSeparatorStyleNone
and you're set.
Objective-C
self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
In Swift (prior to 3)
tableView.separatorStyle = .None
In Swift 3/4/5
tableView.separatorStyle = .none
I have used FileSaver.js
to save the blob as file.
This is the repo : https://github.com/eligrey/FileSaver.js/
Usage:
import { saveAs } from 'file-saver';
var blob = new Blob(["Hello, world!"], {type: "text/plain;charset=utf-8"});
saveAs(blob, "hello world.txt");
saveAs("https://httpbin.org/image", "image.jpg");
Global Gzip in HttpModule
If you don't have access to the final IIS instance (shared hosting...) you can create a HttpModule that adds this code to every HttpApplication.Begin_Request event :
HttpContext context = HttpContext.Current;
context.Response.Filter = new GZipStream(context.Response.Filter, CompressionMode.Compress);
HttpContext.Current.Response.AppendHeader("Content-encoding", "gzip");
HttpContext.Current.Response.Cache.VaryByHeaders["Accept-encoding"] = true;
Testing
Kudos, no solution is done without testing. I like to use the Firefox plugin "Liveheaders" it shows all the information about every http message between the browser and server, including compression, file size (which you could compare to the file size on the server).
You can do something like this:
<%
out.print("<p>Hey!</p>");
out.print("<p>How are you?</p>");
%>
char *hexstring = "deadbeef10203040b00b1e50", *pos = hexstring;
unsigned char val[12];
while( *pos )
{
if( !((pos-hexstring)&1) )
sscanf(pos,"%02x",&val[(pos-hexstring)>>1]);
++pos;
}
sizeof(val)/sizeof(val[0]) is redundant!