At first,I attach UISwipeGestureRecognizer to a image view,the action method can't be triggered.Then I attach UISwipeGestureRecognizer to view controller's view,it works well.I don't know why. here is the code that doesn't work - (void)viewDidLoad {
I presently have this code for factoring large numbers: def f1(n): return [[i, n//i] for i in range(1 , int(n**0.5) + 1) if n % i == 0] It's the fastest version I've seen so far (If there's a faster way I'd love to know about that as well), but I'd l
I want my text in the middle of the navigation bar. I tried vertical-align:center or middle but that didn't work. Here is what I have: ul { list-style-type: none; margin: 0; padding: 0; overflow: hidden; background-color: #333; } li { float: left; }
I am trying to use OkHTTP library. When making a call to the server and getting a successful response back. i need to update the UI. How can this be done when doing an Async call using the enqueue()? client.newCall(request).enqueue(new Callback() { @
I am sending an analog signal to an android app via Ethernet. The goal is to control the alpha channel of some shapes being drawn. The code applies specifically to a rectangle. I've gotten both tutorials to work separately. The communications one rec
I have deployed a big size war (600 mb) on the tomcat server. Its a great project and hence the number of users. But if counting it should not be more than 100 at a time. But my tomcat goes hang out even in this small number. The problem is server ma
So here's the query and the execution plan. The commented create-index statement has already been executed. Why does Sql-Server decide to perform a clustered index scan? Am I missing something?If the query would use the index, it would have to search
I have a client application that connects to a web service over https. I need to "sniff" all the network traffic between web service and my client to check if everything is okay, i.e, i have to debug the connection. I have tried Wireshark but si
Actually I am trying to convert html content to pdf using NReco PDF converter, however, this line of code pdfDoc.GeneratePdf(HtmlContent); unable to get through on Azure web app, but it works normally on my dev environment. So my Question is which cl
I'm writing an application that leverages jsvc to start up a Java service as a daemon. I need to use something like jsvc because my application utilizes ports under 1024 and yet I'd really like to not run it as root so that created files are owned by
I am developing a plugin to eclipse and I want to add some actions to the context menu. But actually I wanted to prepare results beforehead according to the text selection in the editor and just show them when the menu item will be selected. I follow
JSFiddle : http://jsfiddle.net/veksen/7TRgE/1/ If I call the variable value from inside my function, it works. However, it doesn't if I call it outside of the function. I feel like it has something to do with change, as it is first assigned ok, but w
i'm wondering how does one animate the expansion/collapse of an NSOutlineView's tree node from code ? // this works ok but doesn't animate NSTreeNode *node = [self.outlineView itemAtRow:self.outlineView.clickedRow]; if([self.outlineView isItemExpande
During development I created many migrations, often going back and forth about how I wanted to implement something. Now it is time to push it to production, but I am getting errors when replaying all the migrations on the virgin database. I ended up
I have a list of strings like "00000101000000110110000010010011", "11110001000000001000000010010011", I need to remove the first 4 characters from each string so the resulting list will be like "0101000000110110000010010011",
Also RenderAction and Action. RenderXXX akaik write directly to response stream and XXX use additional string buffer. I don't really want doing benchmark my myself, so maybe someone already do it.George Stocker is correct but I wanted to add that I'm
I know this is wrong and gcc will give you a warning about it, but why does it work (i.e. the numbers are printed correctly, with some rounding difference)? int main() { float *f = (float*) malloc(sizeof(float)); *f = 123.456; printf("%f\n", *f)
I have to draw a bar chart using c#. First I have tried using vb.net using System.Windows.Forms.DataVisualization.Charting namespace.code here below Dim strConn As string MyConString = "SERVER=localhost;" + "DATABASE=demo;" + "UID
I'm using Nokogiri, Ruby and Xpath to parse a large XML document of computer games. To put what im trying to do in context... I have a large database of computer games, I want to lookup those computer games in an XML document. The issue I have is tha
My question is related to the "weight" parameter in the addServer function of the PHP Memcache extension. For last couple of months, I have been using "weight = 1" for all servers. I am now trying to apply the configurations below to e
So I've got two tables, A and B, I'm trying to find the values that exist in a column in table A that do not exist in a matching column in table B my current code is: SELECT A.x FROM A WHERE A.x NOT IN (SELECT B.x FROM B); I have also tried: SELECT A
The RemoteControlClient was introduced in ICS. That's the way the lock screen seems to be integrating with various music players. See the screenshot below for an example of Spotify on the lock screen. Could one from another app than the lock screen i
I have a ListView with a custom view for displaying items as icons. I also have a regular ol' canvas. I want to be able to drag an item from the ListView and drop it into the canvas. Now I've looked all over the place for various tutorials on how to
I can add tap event to textfield like this: { xtype : 'textfield', name : 'GIVEN_NAME', label : 'Given Name', disabled: false, listeners : { element : 'element', tap : function() { console.log('tap'); } } } and it works. But this one, when used in co
I read this thread about extracting url's from a string. https://stackoverflow.com/a/840014/326905 Really nice, i got all url's from a XML document containing http://www.blabla.com with >>> s = '<link href="http://www.blabla.com/blah"
I want to use the jacobDN function in sympy, so I download it and python setup.py install it, successfully. When I want to use it as in the documentation does: >>> from sympy.mpmath import * Traceback (most recent call last): File "<stdin
I am trying to read in values from the command line into variables, using the code below. public static void main (String [] args) throws Exception { // Read in all of the passed arguments String address = args[0]; int port = Integer.parseInt(args[1]
I've often read that Ruby is a pure object oriented language since commands are typically given as messages passed to the object. For example: In Ruby one writes: "A".ord to get the ascii code for A and 0x41.chr to emit the character given its a
I'm not understanding what's going on here. I have the following: set_include_path( get_include_path() .PATH_SEPARATOR.'/home/mike/www/Zend/library/' ); Which appears to set the value correctly: var_dump(get_include_path()); // string(61) ".:/usr/sha
So far I only know how to do commands like rvm 2.0.0 Fortunately Google tells me The current stable version is 2.0.0-p247. But shouldn't I be able to use rvm to do that step for me? I can't figure out how to just tell rvm to install the latest versio
