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Always pass weak reference of self into block in ARC?
...XAMPLE:
__weak MyObject *weakSelf = self;
[[SomeOtherObject alloc] initWithCompletion:^{
//By the time this gets called, "weakSelf" might be nil because it's not retained!
[weakSelf doSomething];
}];
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How to override and extend basic Django admin templates?
...html) while at the same time extending it (see https://docs.djangoproject.com/en/dev/ref/contrib/admin/#overriding-vs-replacing-an-admin-template )?
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In bash, how does one clear the current input?
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Found a short reference at http://www.ice2o.com/bash_quick_ref.html while searching.
ctrl + e (if not at the end of the line) plus ctrl + u will do it.
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Best way to iterate through a Perl array
...be used? If so, sounds like one shouldn't use that approach. stackoverflow.com/questions/6440723/… rt.cpan.org/Public/Bug/Display.html?id=115863
– Thorsten Schöning
Jan 14 '19 at 11:40
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How to set environment variables in Jenkins?
...t "Properties File Path" to propsfile.
Note: This plugin is (mostly) not compatible with the Pipeline plugin.
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Check if an image is loaded (no errors) with jQuery
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Check the complete and naturalWidth properties, in that order.
https://stereochro.me/ideas/detecting-broken-images-js
function IsImageOk(img) {
// During the onload event, IE correctly identifies any images that
// weren’t downloaded as not complete. Others should too. Gecko-b...
In Vim is there a way to delete without putting text in the register?
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At first I thought this command was not working properly. Then I realized I was using a "dead keys" version of the american keyboard. With this keyboard layout I have to type "<space>_d. The space is needed to actually type the ".
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What is the difference between `-fpic` and `-fPIC` gcc parameters?
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http://tldp.org/HOWTO/Program-Library-HOWTO/shared-libraries.html
Use -fPIC or -fpic to generate position independent code. Whether to use -fPIC or -fpic to generate position independent code is target-dependent. The -fPIC ...
dynamically add and remove view to viewpager
...ding="utf-8"?>
<android.support.v4.view.ViewPager
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/view_pager"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</android.support.v4.view.ViewPager>
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How to use the C socket API in C++ on z/OS
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