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RegEx backreferences in IntelliJ
...ables with dollar-curly wrappers, ie, '+ var +' to ${var} in some template strings and couldn't figure out why intellij wouldn't finish the replacement. turns out $ needs to be escaped in the replacement.
– worc
Oct 18 '17 at 21:39
...
Regular expression to return text between parenthesis
...ans you will get whatever in 's' :\. It will be good if you check that the string has parenthesis first.
– Omar
May 26 '16 at 1:21
...
What is the relationship between Looper, Handler and MessageQueue in Android?
...em.out.println("Hello from a thread!");
}
public static void main(String args[]) {
(new Thread(new HelloRunnable())).start();
}
}
Now, let's apply this simple principle to Android app. What would happen if an Android app is run on a normal thread? A thread called "main" or "UI...
Can you configure log4net in code instead of using a config file?
...
Just a note if you use variables in your roller.File string you can use the log4net.Util.PatternString class to format it before assigning the result to foller.File.
– Eric Scherrer
Sep 29 '15 at 18:29
...
Display current date and time without punctuation
... or newer):
${parameter@operator} - P operator
The expansion is a string that is the result of expanding the value of parameter as if it were a prompt string.
$ show_time() { local format='\D{%Y%m%d%H%M%S}'; echo "${format@P}"; }
$ show_time
20180724003251
...
Adding a new SQL column with a default value
...t_value]
[AUTO_INCREMENT] [UNIQUE [KEY] | [PRIMARY] KEY]
[COMMENT 'string']
[COLUMN_FORMAT {FIXED|DYNAMIC|DEFAULT}]
[STORAGE {DISK|MEMORY|DEFAULT}]
[reference_definition]
Notice the word DEFAULT there.
...
jQuery find element by data attribute value
...
I searched for a the same solution with a variable instead of the String.I hope i can help someone with my solution :)
var numb = "3";
$(`#myid[data-tab-id=${numb}]`);
share
|
improve thi...
How do you keep user.config settings across different assembly versions in .net?
...ead."),
NoSettingsVersionUpgrade()>
Public Property OldSettingName() As String
Get
Throw New NotSupportedException("This property is obsolete")
End Get
Set
Throw New NotSupportedException("This property is obsolete")
End Set
End Property
Make sure you add this property to the sa...
Declaring and initializing variables within Java switches
...tag
case 1:
b = false;
case 2:{
//String b= "test"; you can't declare scope here. because it's in the scope @top
b=true; // b is still accessible
}
case 3:{
boolean c= true; // case c scope only
b=true; // c...
Find all storage devices attached to a Linux machine [closed]
...2.6.17 and up):
#! /bin/bash
hal-find-by-property --key volume.fsusage --string filesystem |
while read udi ; do
# ignore optical discs
if [[ "$(hal-get-property --udi $udi --key volume.is_disc)" == "false" ]]; then
dev=$(hal-get-property --udi $udi --key block.device)
f...