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How to read all files in a folder from Java?
...h .map(Path::toFile) Also .forEach(path -> System.out.println(path.toString()); should be .forEach(path -> System.out.println(path.toString()));
– XaolingBao
Oct 13 '14 at 4:33
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How do I remove the last comma from a string using PHP?
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Use the rtrim function:
rtrim($my_string, ',');
The Second parameter indicates the character to be deleted.
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What is meant by Resource Acquisition is Initialization (RAII)?
...thing says the resource must be acquired in the constructor. File streams, strings an other containers do that, but the resource might just as well be passed to the constructor, as is usually the case with smart pointers. Since yours is the most-upvoted answer, you might want to fix this.
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MySQL check if a table exists without throwing an exception
...on table_exist($table){
global $con;
$table = $con->real_escape_string($table);
$sql = "show tables like '".$table."'";
$res = $con->query($sql);
return ($res->num_rows > 0);
}
Hope it helps.
Warning: as sugested by @jcaron this function could be vulnerable to sqli...
How to determine MIME type of file in android?
...this:
// url = file path or whatever suitable URL you want.
public static String getMimeType(String url) {
String type = null;
String extension = MimeTypeMap.getFileExtensionFromUrl(url);
if (extension != null) {
type = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extensi...
Cloning an Object in Node.js
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Possibility 1
Low-frills deep copy:
var obj2 = JSON.parse(JSON.stringify(obj1));
Possibility 2 (deprecated)
Attention: This solution is now marked as deprecated in the documentation of Node.js:
The util._extend() method was never intended to be used outside of internal Node.js modules....
How to export collection to CSV in MongoDB?
...2049ed23065398 fixes the docs for 3.0.0-rc10 and later. It changes
Fields string `long:"fields" short:"f" description:"comma separated list of field names, e.g. -f name,age"`
to
Fields string `long:"fields" short:"f" description:"comma separated list of field names (required for exporting CSV) e...
“The given path's format is not supported.”
...ombine instead:
Path.Combine(str_uploadpath, fileName);
which returns a string.
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How do I search an SQL Server database for a string?
...Asked SQL Server Questions And Their Answers:
CREATE PROCEDURE FindMyData_String
@DataToFind NVARCHAR(4000),
@ExactMatch BIT = 0
AS
SET NOCOUNT ON
DECLARE @Temp TABLE(RowId INT IDENTITY(1,1), SchemaName sysname, TableName sysname, ColumnName SysName, DataType VARCHAR(100), DataFound BIT)
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How to send an email from JavaScript
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I would go one step further and do window.open( String( 'mailto:recipient^example.com' ).replace('^', '@') ); to confuse spam bots
– Pavel Lebedeff
Nov 22 '17 at 14:52
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