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Set select option 'selected', by value
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The value of the selected attribute can be an empty string or selected. Did you mean .prop()?
– rink.attendant.6
Sep 17 '13 at 17:37
2
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How do I check if a file exists in Java?
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Using java.io.File:
File f = new File(filePathString);
if(f.exists() && !f.isDirectory()) {
// do something
}
share
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improve this answer
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Version of SQLite used in Android?
...mory:", null).rawQuery("select sqlite_version() AS sqlite_version", null);
String sqliteVersion = "";
while(cursor.moveToNext()){
sqliteVersion += cursor.getString(0);
}
This is just a piece of quick, dirty code to retrieve the sqlite version. For instance on a HTC Hero with Android 2.1, I get:...
Which browsers support ?
...is not recommended) should just be present or being set to either an empty string or itself (defer="defer", especially important when writing XHTML compliant documents); when setting the element's property on-the-fly using JavaScript, one should use s.async = true.
– Marcel Kor...
How to serialize an Object into a list of URL query parameters?
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One line with no dependencies:
new URLSearchParams(obj).toString();
// OUT: param1=something&param2=somethingelse&param3=another&param4=yetanother
Use it with the URL builtin like so:
let obj = { param1: 'something', param2: 'somethingelse', param3: 'another' }
obj['par...
get client time zone from browser [duplicate]
...dOptions().timeZone;
console.log(tz);
This returns a IANA timezone string, but not the offset. Learn more at the MDN reference.
Compatibility table - as of March 2019, works for 90% of the browsers in use globally. Doesn't work on Internet Explorer.
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Running a Python script from PHP
...unction:
Execute command via shell and return the complete output as a string.
It returns the output from the executed command or NULL if an error
occurred or the command produces no output.
<?php
$command = escapeshellcmd('/usr/custom/test.py');
$output = shell_exec($command);
ech...
requestFeature() must be called before adding content
...he onPrepareDialog() method
public void prepare() {
setTitle(R.string.custom_title);
setIcon( getIcon() );
// ...
}
}
* Some Additional notes:
Don't rely on hiding the title. There is often an empty space despite the title not being set.
Don't try to build your own V...
How to “grep” for a filename instead of the contents of a file?
... can play with grep as per your requirement.
Note : As the grep is generic string classification, It can result in giving you not only file names. but if a path has a directory ('/xyz_test_123/other.txt') would also comes to the result set.
cheers
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javac error: Class names are only accepted if annotation processing is explicitly requested
...this in a file called Main.java:
public Main{
public static void main(String[] args){
System.out.println("ok");
}
}
Then compile it like this:
user@defiant /home/user $ javac Main
error: Class names, 'Main', are only accepted if
annotation processing is explicitly requested
1 er...