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Bash script - variable content as a command to run
...nt=$(cat last_queries.txt | wc -l)
$(perl test.pl test2 $count)
However, if you want to call your Perl command later, and that's why you want to assign it to a variable, then:
#!/bin/bash
count=$(cat last_queries.txt | wc -l)
var="perl test.pl test2 $count" # You need double quotes to get your $c...
EProgrammerNotFound exception in Delphi?
...rs with a similar message. Internally we've always joked and poked fun at different things and people (mostly on the team itself). If you don't have a sense of humor, you're destined to an early grave.
It was a simple conversation;
"Oh, you should have raised the EProgrammerNotFound exception in ...
jquery sortable placeholder height problem
...ceholder for my sortable items is about 10px. All my sortable items have different heights. How can I change the height of each placeholder to match the item being moved?
...
Android - Center TextView Horizontally in LinearLayout
...ndroid:layout_gravity it places the widget, as a whole, in the gravity specified. Instead of placing the whole widget center what you're really trying to do is place the content in the center which can be accomplished with android:gravity="center_horizontal" and the android:layout_gravity attribute ...
Calling JavaScript Function From CodeBehind
...
If you need to send a value as a parameter.
string jsFunc = "myFunc(" + MyBackValue + ")";
ScriptManager.RegisterStartupScript(this.Page, Page.GetType(), "myJsFn", jsFunc, true);
...
What's wrong with Groovy multi-line String?
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As groovy doesn't have EOL marker (such as ;) it gets confused if you put the operator on the following line
This would work instead:
def a = "test" +
"test" +
"test"
as the Groovy parser knows to expect something on the following line
Groovy sees your original def as three sepa...
Is there a way to collapse all code blocks in Eclipse?
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There is a hotkey, mapped by default to Ctrl+Shift+NUM_KEYPAD_DIVIDE.
You can change it to something else via Window -> Preferences, search for "Keys", then for "Collapse All".
To open all code blocks the shortcut is Ctrl+Shift+NUM_KEYPAD_MULTIPLY.
In the Eclipse ex...
How do I change the hover over color for a hover over table in Bootstrap?
..., but the td is needed because it's further down the dom from its row, and if there is a background already applied to the td, then you won't see the row's background because it'll be painted after the row.
– Palu Macil
Nov 10 '17 at 14:39
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Can I initialize a C# attribute with an array or other variable number of arguments?
...
Attributes will take an array. Though if you control the attribute, you can also use params instead (which is nicer to consumers, IMO):
class MyCustomAttribute : Attribute {
public int[] Values { get; set; }
public MyCustomAttribute(params int[] values)...
What does apply_filters(…) actually do in WordPress?
...argument to each of the functions 'hooked' (using add_filter) into the specified filter 'tag'. Each function performs some processing on the value and returns a modified value to be passed to the next function in the sequence.
For example, by default (in WordPress 2.9) the the_content filter passes...