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How different is Objective-C from C++? [closed]
...+ uses bool, true and false, Objective-C uses BOOL, YES and NO.
C++ uses void* and nullptr, Objective-C prefers id and nil.
Objective-C uses "selectors" (which have type SEL) as an approximate equivalent to function pointers.
Objective-C uses a messaging paradigm (a la Smalltalk) where you can send ...
How to increase scrollback buffer size in tmux?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
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Can I use conditional statements with EJS templates (in JMVC)?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Is returning by rvalue reference more efficient?
...ect into the return value of the function. If the compiler can, it will avoid the move altogether, by using RVO (return value optimization). Now, you can do the following
Beta_ab ab = others.toAB();
And it will move construct the temporary into ab, or do RVO to omit doing a move or copy altogethe...
Does it make sense to do “try-finally” without “catch”?
...oncrete example of handling the exception from a calling method.
public void yourOtherMethod() {
try {
yourMethod();
} catch (YourException ex) {
// handle exception
}
}
public void yourMethod() throws YourException {
try {
db.store(mydata);
} finall...
How to create a temporary directory and get the path / file name in Python
... shutil.rmtree(temp_dir.name) is not necessary.
– sidcha
Nov 14 '19 at 7:14
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How to find the installed pandas version
...
In [77]: pd.__version__
Out[77]: '0.12.0-933-g281dc4e'
Pandas also provides a utility function, pd.show_versions(), which reports the version of its dependencies as well:
In [53]: pd.show_versions(as_json=False)
INSTALLED VERSIONS
------------------
commit: None
python: 2.7.6.final.0
python-bi...
Class type check in TypeScript
...ta type. In previous versions of ActionScript, the instanceof operator provided this functionality, but in ActionScript 3.0 the instanceof operator should not be used to test for data type membership. The is operator should be used instead of the instanceof operator for manual type checking, because...
What do the &,
...ow me to quote the YAML spec here:
Repeated nodes (objects) are first identified by an anchor (marked with the ampersand - “&”), and are then aliased (referenced with an asterisk - “*”) thereafter.
So parts of your example
development: &default
adapter: postgresql
databas...
Delaying a jquery script until everything else has loaded
...
Sure, if you are already doing this inside $(document).ready(), this will be no different.
– Jose Basilio
Jun 18 '09 at 14:43
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