First MinGW C++ program on Windows

MinGW is a port of GCC to Windows, many people use Visual Studio C++ IDE on Windows, but it's ... . Here is an example C++ program, it's very simple #include <iostream> #include <list> using ... you want. Download a MinGW distribution and unpack it to local, you can find a distribution here ... and type g++ --version, you are good to go. E:\sync\MinGW>g++ --version g++ (GCC) 7.2.0

MySQL trim usage example

in SQL statement or trim it in php, I thought it will be better to do it in MySQL in this case. MySQL ... provided the handy function trim to do it. Here is how to use it. mysql> SELECT TRIM(' a string ... '); -- delete leading and trailing whitespace -> 'a string' mysql> SELECT TRIM ... ' mysql> SELECT TRIM(BOTH 'x' FROM 'xxxmystringxxx'); -- delete specified leading and trailing

What's the difference between criminal and perpetrator

, to the real question should be the difference between the act of crime and the act of perpetrate ... . Notice people can perpetrate crime, this indicate that perpetrator is broader than criminal ... . A perpetrator is definitely a criminal, but a criminal may not a perpetrator. When people commit crime ... Simply put, the crimnal is the one who commit crime, and perpetrator is the one who perpetrate

Python minidom Parsing XML example

To work with the XML in Python, you never run out of libraries, to accomplish a complex job ... -in xml module like minidom. This post illustrate how to use minidom with some code examples ... > </section> </chapter> </part> </contents> [Parsing and navigate XML elements] Import ... . [The test XML document] Suppose we are working on the XML document like below <?xml version="1.0

Use SAX to extract data from XML with Python

approach is SAX which means Simple API to XML, internally, it will uses a walker to traverse the tree ... to react. In Python SAX module, you will extends the class xml.sax.handler.ContentHandler. It has ... There are two approaches to manipulate XML document, the first one is DOM which build ... the elements tree in memory and use selector or API(getElementByTagName, getChild, etc) to visit elements

Chrome Backspace to go back not Working

extension, I just add a new shortcut in Shortcut Manager and the backspace go back ... + Backspace to dedicatedly handle go back function, and Backspace dedicate for delete text in editing ... well. After an accidental reboot, my Chrome stopped working, crashes after opening several pages ... did and try to go back the previous page I get this message: I was wondering why. According

Cmd batch scripting extract year month day from date and insert into path and file name

the directory trees, you can extract the year month or day from the output of "date" command ... and insert them into your string pattern to compose the path or file name. The content of date ... routines which involves manipulating files with path or file name contains dates of that day ... information inside to a destination @echo off set year=%date:~0,4% set month=%date:~5,2% set day=%date

Gradle All Tasks are Executed and the Poor Design

There is a quirk in the design of Gradle task, look at the code below without much knowledge ... configuration code for the tasks which are executed at configuration phase, it's like a prologue of each build ... about the very details of Gradle task hello { println "hello" } task foo { println "foo ... " } What would you think about the code? For me, it intuitively means to define two tasks that I

Fire Event Programmatically in Javascript and bind with Shortcut key

to register shortcut key. function triggerEvent(el, eventName, options) { var event ... , some web based editors use iFrame as edit area, you want to bind some editing actions to a shortcut key ... over the button , click an then switch back to keyboard, using a shortcut key can significantly ... save your time. You can even package a series of actions into one shortcut key, for example, create

Clojure list files from folders and append to file

for this problem is list all files from all the sources and append to a big text file, then open ... (println "appending from source:" s) (append-to-file out-file (string-list-files-rec s ... search the big file list with multi-occur command in Emacs. Prepare two bat files ls.bat @echo ... to append." [file-name s] (spit file-name s :append true)) (defn generate-big-list
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