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When should I create a destructor?
... the user of the class the possibility to manually Disposing the object to free the resources right away.
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List of tables, db schema, dump etc using the Python sqlite3 API
...es)
for table_name in table_names:
result = cur.execute("PRAGMA table_info('%s')" % table_name).fetchall()
column_names = zip(*result)[1]
print ("\ncolumn names for %s:" % table_name)+newline_indent+(newline_indent.join(column_names))
db.close()
print "\nexiting."
(EDIT: I have been ...
Why can I change value of a constant in javascript
...ject to a constant and tried to modify any property of it.
If you want to freeze an array or object so it can't be modified, you can use the Object.freeze method, which is already part of ECMAScript 5.
const x = Object.freeze(['a'])
x.push('b')
console.log(x) // ["a"]
...
Git command to show which specific files are ignored by .gitignore
...clude'), I find a command line that could help you:
F:\prog\git\test\.git\info>type exclude
# git ls-files --others --exclude-from=.git/info/exclude
# Lines that start with '#' are comments.
# For a project mostly in C, the following would be a good set of
# exclude patterns (uncomment them if y...
Requirejs domReady plugin vs Jquery $(document).ready()?
..." to interact w/ the DOM:
define(['domReady!'], function () {
console.info('The DOM is ready before I happen');
});
Note that loading and executing are different; you want all your files to load as soon as possible, it's the execution of the contents that is time sensitive.
If you omit the !...
What does “Memory allocated at compile time” really mean?
...reserve a chunk of memory, called the stack, that the program gets sort of free reign over. Stack memory still is allocated by the system, when the process (the result of your bin being executed) is initiated. The process then manages the stack memory for you. When a function or loop (any type of bl...
使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...e
public void onRendererShutdown() {
// clear resources and free the scene
}
@Override
public void onSurfaceCreated(EGLConfig config) {
// here we should close our renderer
}
@Override
public void onSurfaceChanged(int width, int hei...
Want to exclude file from “git diff”
... irrelevant.php -diff
and I have also tried creating a file called .git/info/attributes containing db/irrelevant.php .
...
What happens when a computer program runs?
... old 80386s, and these functions are now built on top of RtlHeap. For more information about the various APIs that control memory management in Windows, see this MSDN article: http://msdn.microsoft.com/en-us/library/ms810627 .
Note also that this means on Windows a single process an (and usually do...
Can I record/play macros in Visual Studio 2012/2013/2015/2017/2019?
...ext editing, no UI automation).
The code is open source (GitHub), so feel free to contribute improvements :-)
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