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Why is string concatenation faster than array join?
...tenation:
// ECMA-262, section 15.5.4.6
function StringConcat() {
if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
throw MakeTypeError("called_on_null_or_undefined", ["String.prototype.concat"]);
}
var len = %_ArgumentsLength();
var this_as_string = TO_STRING_INLINE(t...
Efficient evaluation of a function at every cell of a NumPy array
...ze(f) # or use a different name if you want to keep the original f
result_array = f(A) # if A is your Numpy array
It's probably better to specify an explicit output type directly when vectorizing:
f = np.vectorize(f, otypes=[np.float])
...
How do I resolve configuration errors with Nant 0.91?
...t-item -stream zone.identifier -erroraction silentlycontinue |
foreach { $_.pspath = $_.pspath -replace ':zone.identifier'; $_ } |
unblock-file
Of course you could do it this way, without knowing which was blocked or not:
get-childitem -recurse c:\nant-92 | unblock-file
...
How to create a new branch from a tag?
...Example: git branch <Hotfix branch> <TAG>
git branch hotfix_4.4.3 v4.4.3
git checkout hotfix_4.4.3
or you can do with other command
git checkout -b <Hotfix branch> <TAG>
-b stands for creating new branch to local
once you ready with your hotfix branch, It's tim...
PHP Session Fixation / Hijacking
...it's done by giving them a url like http://www.example.com/index...?session_name=sessionid. Once the attacker gives the url to the client, the attack is the same as a session hijacking attack.
There are a few ways to prevent session fixation (do all of them):
Set session.use_trans_sid = 0 in your...
How do I terminate a thread in C++11?
...esign such a feature.
A std::thread may have this member function:
native_handle_type native_handle();
You might be able to use this to call an OS-dependent function to do what you want. For example on Apple's OS's, this function exists and native_handle_type is a pthread_t. If you are success...
Unable to find specific subclass of NSManagedObject
...e the space with an underscore. For example:
Entity: MyEntity
Class: My_App_Name.MyClass
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Regex for password must contain at least eight characters, at least one number and both lower and up
...
fails for _ special character
– Akhilesh
Jul 23 '19 at 10:10
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JComboBox Selection Change Listener?
....setBounds(84, 45, 150, 20);
contentPane.add(comboBox);
JComboBox comboBox_1 = new JComboBox();
comboBox_1.setBounds(84, 97, 150, 20);
contentPane.add(comboBox_1);
comboBox.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent arg0) {
//Do Something
}
});
...
Mock functions in Go
...I would make downloader() a method on a type, and the type can hold the get_page dependency:
Method 1: Pass get_page() as a parameter of downloader()
type PageGetter func(url string) string
func downloader(pageGetterFunc PageGetter) {
// ...
content := pageGetterFunc(BASE_URL)
// ...
}
...