PlItems

ID: 183
PlCodelang: Batch
PlGroup: Variablen
PlItemTitle: Wert einer Variable zuweisen
Code: @echo off cd C:\Temp REM Aktuelles Verzeichnis in einer Variable setzen SET mydir="Mein Verzeichnis lautet %CD%" echo %mydir% REM "Mein Verzeichnis lautet C:\Temp"

ID: 184
PlCodelang: Batch
PlGroup: Filehandling
PlItemTitle: Prüfen ob Datei existiert
Code: @echo off SET checkFileExists="C:\Temp\myFile.txt" IF exist %checkFileExists% GOTO :EXISTS GOTO :EXISTSNOT :EXISTS echo There it is :-) GOTO :END :EXISTSNOT echo Sorry, the file isn't there :-( GOTO :END :END echo End of program

ID: 185
PlCodelang: T-SQL
PlGroup: Strings
PlItemTitle: Prüfen ob eine Zahl in einem String enthalten ist
Code: SELECT value ,CASE WHEN PATINDEX('%[0-9]%',value) > 0 THEN 1 ELSE 0 END AS CheckIfStringContainsANumber FROM ( SELECT 'String w/o a number' AS value UNION ALL SELECT 'This string contains 1 as a number' AS value ) subQuery1 -- value | CheckIfStringContainsANumber -- ------------------------------------------------------------------ -- String w/o a number | 0 -- This string contains 1 as a number | 1

ID: 186
PlCodelang: Python
PlGroup: Strings
PlItemTitle: String nach Delimenter zerlegen
Code: myString = "A;B;C;D;E" myPieces = myString.split(";") # erzeugt ein Arrey mit den einzelnen Zeichen print myPieces[2] # gibt C aus

ID: 187
PlCodelang: PHP
PlGroup: URL-Handling
PlItemTitle: Aktuelle URL bekommen
Code: // https://myDomain/appPath/index.php $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://"; $domainName = $_SERVER['HTTP_HOST']; $query = $_SERVER['PHP_SELF']; $path = pathinfo( $query ); $myURLBasePath=$protocol.$domainName.$path['dirname']; echo $myURLBasePath; // https://myDomain/appPath echo $myURLBasePath.'/'.$path['basename']; // https://myDomain/appPath/index.php

ID: 188
PlCodelang: Python
PlGroup: Prozeduren, Funktionen, Methoden
PlItemTitle: Deklaration einer Funktion/Prozedur
Code: def this_is_my_function_name(param1): print "do something inside the function " + param1 print "do something outside the function" # call the function this_is_my_function_name("hello world")

ID: 189
PlCodelang: Python
PlGroup: Schleifen
PlItemTitle: For-Schleife
Code: for i in range(0, 10): i=1 time.sleep(1) print i items = ['computer', 'fruits', 'fraggels'] # without indexes for item in items: print item # with indexes for (i, item) in enumerate(items): print i, item

ID: 190
PlCodelang: Python
PlGroup: Schleifen
PlItemTitle: While Schleife
Code: i=10 while i<10: i=i+1 print i

ID: 191
PlCodelang: Python
PlGroup: Encoding / Decoding
PlItemTitle: md5-Hash erzeugen
Code: # https://docs.python.org/2/library/hashlib.html import hashlib a = "hello world" b = 0.1 md5str = hashlib.md5(str(b) + a).hexdigest()

ID: 192
PlCodelang: Python
PlGroup: Filehandling
PlItemTitle: Prüfen ob Datei existiert
Code: import os filePath="/home/myUser/test.txt" if (os.path.isfile(filePath)): print "There it is! ;-)" else: print "Whow, file is missing at this place :-("

ID: 193
PlCodelang: Python
PlGroup: Array
PlItemTitle: Dictionary Basics
Code: # empty dict myDict = {} # some static values myDict ={ "key1" : {"item1":"value1"}, "key2" : {"itemX":"valueY"}, "keyX" : {"item99":"value98"} } # update a key programmatically myDict.update({"key1" = {"item2":"new value"}}) # iterate for (key, subdict) in myDict.items(): current_key = key current_subdict = subdict # get an specific item subdict = myDict.get("key2") print subdict.get("itemX") # valueY

ID: 194
PlCodelang: Python
PlGroup: Filehandling
PlItemTitle: Filename-Manipultation Basics
Code: import os myFilename = "/tmp/Test/myFile.txt" # Get only the path path_only = os.path.dirname(myFilename) # /tmp/Test # Filename only filename_only = os.path.basename(myFilename) # myFile.txt # get only filename without extention filename_without_ext = os.path.basename(os.path.splitext(myFilename)[0]) # myFile # get only the extension filename_extention_only = os.path.splitext(myFilename)[1] # .txt # put them together again myFilename_together = os.path.join(path_only, filename_without_ext + filename_extention_only) # /tmp/Test/myFile.txt

ID: 195
PlCodelang: Python
PlGroup: Exceptions
PlItemTitle: Exception auslösen
Code: if (a!=b): raise Exception("Not implemented, yet")

ID: 196
PlCodelang: Python
PlGroup: JSON
PlItemTitle: JSON Daten laden
Code: import json myJSONFile = "/tmp/Test/myData.json" json_data = open(myJSONFile) # In Python werden JSON Daten nach dem Laden wie Dictionaries behandelt data_dict = json.load(json_data)

ID: 197
PlCodelang: Python
PlGroup: JSON
PlItemTitle: JSON Daten speichern
Code: myData_dict = {"key1":"value1"} fileObj = open('myData.json', 'w+') jsonDump = json.dumps(myData_dict) fileObj.write(jsonDump) fileObj.close()

ID: 198
PlCodelang: Batch
PlGroup: Konsolenverwaltung
PlItemTitle: Einlesen Konsoleneingabe
Code: @echo off SET mydir=%CD% set /p number=search this number?: echo %number% > "%mydir%\lastnumbersearched.txt" echo dir/b/s *%number%*.* echo. echo. dir/b/s *%number%*.* echo. echo. pause

ID: 199
PlCodelang: JavaScript
PlGroup: Strings
PlItemTitle: String auf Wunschlänge zuschneiden
Code: myString = "abc"; mySubString = myString.substring(0,2); // ab

ID: 200
PlCodelang: JavaScript
PlGroup: Datum, Zeit
PlItemTitle: Aktuelles Datum/Uhrzeit
Code: date = new Date(); // Sat Jun 14 2014 13:15:27 GMT+0200 (CEST) dateStringISO = date.toISOString(); // "2014-06-14T11:15:27.097Z" // Attention: Time is different because of the timezone date.toISOString().substring(0,10); //"2014-06-14" dateStringISO.split("T")[1]; // 11:15:27.097Z

ID: 201
PlCodelang: Excel
PlGroup: Strings
PlItemTitle: Replace
Code: /* Cell A1 contains text "abc#def" */ =SUBSTITUTE(A1;"*";"/") /* Result will be: "abc/def" */

ID: 202
PlCodelang: PHP
PlGroup: Fallunterscheidung
PlItemTitle: Ternary operator
Code: $testVar = "OK"; $resultVar; $resultVar = $testVar=="OK" ? true : false; // same as if-else construction if ($testVar == "OK") { $resultVar = true; } else { $resultVar = false; };