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How can you find and replace text in a file using the Windows command-line environment?
... Can any sort of pattern matching be done here? Wildcards, Regex etc?
– Keyo
Apr 19 '12 at 21:51
27
...
NodeJS - What does “socket hang up” actually mean?
...nd decide how to handle it: whether retry the request, queue it for later, etc.
When you are a server/proxy
When you, as a server, perhaps a proxy server, receive a request from a client, then start acting upon it (or relay the request to the upstream server), and before you have prepared the resp...
How to write LaTeX in IPython Notebook?
...ipynb to TeX (code, figures and all), and run latex to render that to PDF, etc. You don't get live-rendered TeX in the browser like you do with MathJax / Markdown, but you do still have TeX / code in one document.
– minrk
Nov 8 '12 at 21:29
...
How can I read a whole file into a string variable
...a draft. You might be clear of what I say.
func main(){
const dir = "/etc/"
filesInfo, e := ioutil.ReadDir(dir)
var fileNames = make([]string, 0, 10)
for i,v:=range filesInfo{
if !v.IsDir() {
fileNames = append(fileNames, v.Name())
}
}
var fileNu...
Android Writing Logs to text File
...g4j configuration options like file path, max file size, number of backups etc by providing LogConfigurator class.
Simple example below. Notice that logger object in below example is a Log4j object returned and not an android-logging-log4j class. So android-logging-log4j is used only for configu...
How to detect if JavaScript is disabled?
...
... construction of ajaxy-link, setting of "js-enabled" cookie flag, etc..
</script>
<noscript>
<a href="next_page.php?nojs=1">Next Page</a>
</noscript>
Users without js will get the next_page link - you can add parameters here so that you know on the next p...
Static nested class in Java, why?
...images used for project), values folder (which contains string constants), etc..
Sine all the folders are part of Res folder, android tool generates a R.java (resources) file which internally contains lot of static nested classes for each of their inner folders.
Here is the look and feel of R.java...
How to get a Fragment to remove itself, i.e. its equivalent of finish()?
...ds FragmentActivity implements SuicidalFragmentListener {
// onCreate etc
@Override
public void onFragmentSuicide(String tag) {
// Check tag if you do this with more than one fragmen, then:
getSupportFragmentManager().popBackStack();
}
}
public interface SuicidalFr...
Copy array by value
...to note that it will work as expected for primitive types (string, number, etc.), and to also explain the expected behavior for reference types...
If you have an array of Reference types, say of type Object. The array will be copied, but both of the arrays will contain references to the same Objec...
Give all the permissions to a user on a DB
...ll set the privileges on all relations: tables, views, indexes, sequences, etc. If you want to restrict that, filter on pg_class.relkind. See the pg_class docs for details.
You should run this function as superuser and as regular as your application requires. An option would be to package this in a...