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In Ruby how do I generate a long string of repeated text?
...e order important with Ruby? When I do 99999 * "0" I get TypeError: String can't be coerced into Fixnum
– Steven
Jan 14 '17 at 22:30
16
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jQuery - selecting elements from inside a element
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You can use any one these [starting from the fastest]
$("#moo") > $("#foo #moo") > $("div#foo span#moo") > $("#foo span") > $("#foo > #moo")
Take a look
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Browsing Folders in MSYS
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use df to see all mount point so you can navigate to them. my df output shows below:
Filesystem 1K-blocks Used Available Use% Mounted on
C:\Users\Sam\AppData\Local\Temp
76694276 46239412 30454864 61% /tmp
C:\MinGW\msy...
Laravel Schema onDelete set null
Can't figure out how to set proper onDelete constraint on a table in Laravel. (I'm working with SqLite)
4 Answers
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Plotting with seaborn using the matplotlib object-oriented interface
...n explicit ax argument and returning an Axes object. As this suggests, you can use them in an "object oriented" style by passing your Axes to them:
f, (ax1, ax2) = plt.subplots(2)
sns.regplot(x, y, ax=ax1)
sns.kdeplot(x, ax=ax2)
Axes-level functions will only draw onto an Axes and won't otherwise...
Remove columns from DataTable in C#
...t which I get a DataTable from that I am being passed back from a function call. It has 15-20 columns, however I only want 10 columns of the data.
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Storing a Map using JPA
...llections of primitives through the @ElementCollection annotation that you can use in conjunction with the support of java.util.Map collections.
Something like this should work:
@Entity
public class Example {
@Id long id;
// ....
@ElementCollection
@MapKeyColumn(name="name")
@C...
jQuery Multiple ID selectors
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If you give each of these instances a class you can use
$('.yourClass').upload()
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wpf: how to show tooltip when button disabled by command?
...ShowOnDisabled="True">...
– gusmally supports Monica
Nov 4 '19 at 18:44
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Drop multiple tables in one shot in mysql
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Example:
Let's say table A has two children B and C. Then we can use the following syntax to drop all tables.
DROP TABLE IF EXISTS B,C,A;
This can be placed in the beginning of the script instead of individually dropping each table.
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