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How to check if a file exists in Documents folder?
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objectAtIndex:0 can be now replaced with firstObject
– Govind
Nov 20 '13 at 8:39
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Line-breaking widget layout for Android
... int longestRowWidth = 0;
int totalRowHeight = 0;
for (int index = 0; index < rows.size(); index++) {
RowMeasurement row = rows.get(index);
totalRowHeight += row.getHeight();
if (index < rows.size() - 1) {
totalRowHeight += ve...
MySQL search and replace some text in a field
...omitting the WHERE clause altogether is slowest, even if the column is not indexed.
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How do I call setattr() on the current module?
...ey're in a tight vector of values, and each local variable access uses the index in that vector, not a name lookup. To defeat the optimization, forcing the dict you desire to exist, start the function with exec '': time a function with a couple substantial loops each way, and you'll see the importan...
How do I output the difference between two specific revisions in Subversion?
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If you want pretty output, install colordiff and add ` | colordiff` to the end of the above command to pipe everything through it.
– William Turrell
Sep 28 '16 at 19:25
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Is there a performance difference between i++ and ++i in C++?
... iterator would need to maintain some state, e.g. parent node, child node, index and stuff like that. All in all, my stance is, even if only few examples exist, ...
– Sebastian Mach
Jun 7 '15 at 20:16
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Deploying just HTML, CSS webpage to Tomcat
...he html file, which you want to be the starting page for your application, index.html
Start tomcat and point your browser to url "http://localhost:8080/MyApp". Your index.html page will pop up in the browser
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NTFS performance and large volumes of files and directories
...e have folders containing tens of millions of files.
A folder stores the index information (links to child files & child folder) in an index file. This file will get very large when you have a lot of children. Note that it doesn't distinguish between a child that's a folder and a child that's ...
Is Safari on iOS 6 caching $.ajax results?
...S 6, we are seeing Safari's web view take the liberty of caching $.ajax calls. This is in the context of a PhoneGap application so it is using the Safari WebView. Our $.ajax calls are POST methods and we have cache set to false {cache:false} , but still this is happening. We tried manually ad...
CSS3 background image transition
...he transition duration to 4s, you can see a very noticable jump when the z-index switches in the middle of the transition. At least on Chrome 35, you can shift the timing of the z-index switch and clean up the transition by changing the property value to "all 4s ease, z-index 1ms" (jsfiddle.net/eD2...