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Confused about stdin, stdout and stderr?
I am rather confused with the purpose of these three files. If my understanding is correct, stdin is the file in which a program writes into its requests to run a task in the process, stdout is the file into which the kernel writes its output and the process requesting it accesses the informatio...
why unaligned apk is needed?
...ly be performed after the .apk file has been signed with your private key. If you perform zipalign before signing, then the signing procedure will undo the alignment.
See this answer for more. Here is the detailed build process:
...
Class.forName() vs ClassLoader.loadClass() - which to use for dynamic loading? [duplicate]
...
They are quite different!
As stated in the documentation for Class.forName(String),
Returns the Class object associated with the class or interface with the given string name. Invoking this method is equivalent to: Class.forName(classN...
Getting the thread ID from a thread
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ManagedThreadId is not a robust approach to identify threads as the ManagedThreadId property id's get reused by your app. So it is not a reliable identifier for threads in some scenarios and you will experience the exception : "An item with the same key has already been add...
Reset PHP Array Index
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If you want to reset the key count of the array for some reason;
$array1 = [
[3] => 'Hello',
[7] => 'Moo',
[45] => 'America'
];
$array1 = array_merge($array1);
print_r($array1);
Output:
Array(
[0] =>...
How to align center the text in html table row?
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If you put an img tag in the same td didnt work
– IgniteCoders
Jul 16 at 18:45
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Oracle SQL Developer multiple table views
...SQL Developer.
There are multiple ways to do it.
Freeze content (ctrl-shift-P)
New Document Tab Group (will allow viewing tables simultaneously)
Change the preferences (If this is desired default behavior)
The post can be found here.
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How to recursively delete an entire directory with PowerShell 2.0?
... or folder is actually removed, causing trouble sometimes." --> For clarification: the parent folder will not be deleted and one gets the following error: "[parent folder] cannot be removed because it is not empty." I see this happen constantly on (slow) networked drives. The only solution is the...
Docker EXPOSE a port only to Host
... binds to localhost, yes. The first one makes the port publicly available. If you don't want a static port, use 127.0.0.1::27017.
– ZeissS
Mar 1 '14 at 8:59
3
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How to run Ruby code from terminal?
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If Ruby is installed, then
ruby yourfile.rb
where yourfile.rb is the file containing the ruby code.
Or
irb
to start the interactive Ruby environment, where you can type lines of code and see the results immediately.
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