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How to run a command before a Bash script exits?
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From the bash manpage (concerning builtins):
trap [-lp] [[arg] sigspec ...]
The command arg is to be read and executed when the shell
receives signal(s) sigspec.
So, as indicated ...
What does new self(); mean in PHP?
... will only allow 1 instance of an object like database connector handlers. From client code, accessing that instance would be done by creating a single access point, in this case he named it getInstance(), The getInstance in itself was the function that created the the object basically using the new...
Performance of Arrays vs. Lists
...s system will create new one bigger array and will need time to copy items from old one.
– Andrew
Sep 18 '19 at 10:21
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How to center align the ActionBar title in Android?
..._CONTENT" to the LinearLayout and move the android:layout_gravity="center" from the TextView to the LinearLayout.
– DominicM
Feb 16 '15 at 14:37
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Why does z-index not work?
...re flex items or grid items can use z-index even when position is static.
From the specs:
4.3. Flex Item Z-Ordering
Flex items paint exactly the same as inline blocks, except that order-modified document order is used in place of raw
document order, and z-index values other than auto cr...
XmlSerializer: remove unnecessary xsi and xsd namespaces
...ng an object in .NET, I have updated this post and repeated my answer here from the afore-mentioned link. The example used in this answer is the same example used for the other question. What follows is copied, verbatim.
After reading Microsoft's documentation and several solutions online, I have...
How does git compute file hashes?
...object is hashed. I am not certain of the algorithm and parameters however from my observation it probably computes a hash based on all the blobs and trees (their hashes probably) it contains
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EJB's - when to use Remote and/or local interfaces?
... can do it by means of configuration only.
A special note about switching from local to remote: note that there are a few semantic differences between the two. For example, calling an EJB method via its "remote interface" results in arguments being passed by-value, while calling through the "local ...
How do I remove the passphrase for the SSH key without having to create a new key?
...less you have other keylogger there). You could also get rid of the record from the history..
– Huge
Nov 29 '16 at 5:42
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Simplest way to check if key exists in object using CoffeeScript
...s, too, to aditionally test .hasOwnProperty(). the “most likely” comes from me not having tried, but this syntax working in comprehensions.
– flying sheep
Jan 13 '13 at 21:15
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