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jQuery checkbox event handling
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There are several useful answers, but none seem to cover all the latest options. To that end all my examples also cater for the presence of matching label elements and also allow you to dynamically add checkboxes and see the results in a side-panel (by redirecting...
“using namespace” in c++ headers
...ead, explicitly namespace-qualify all names.
A header file is a guest in one or more source files. A header file that includes using directives and declarations brings its rowdy buddies over too.
A using declaration brings in one buddy. A using directive brings in all the buddies in the namespac...
Declare variable in table valued function
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There are two flavors of table valued functions. One that is just a select statement and one that can have more rows than just a select statement.
This can not have a variable:
create function Func() returns table
as
return
select 10 as ColName
You have to do like this ...
How to determine whether a Pandas Column contains a particular value
... object
In [13]: 1 in s
Out[13]: True
In [14]: 'a' in s
Out[14]: False
One option is to see if it's in unique values:
In [21]: s.unique()
Out[21]: array(['a', 'b', 'c'], dtype=object)
In [22]: 'a' in s.unique()
Out[22]: True
or a python set:
In [23]: set(s)
Out[23]: {'a', 'b', 'c'}
In [24]...
Best way to get identity of inserted row?
...above aren't quite what you need (very rare). Also, as @Guy Starbuck mentioned, "You could use this if you want to get the current IDENTITY value for a table that you have not inserted a record into."
The OUTPUT clause of the INSERT statement will let you access every row that was inserted via that...
How do I turn a String into a InputStreamReader in java?
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Thanks. Done. What's the best way to detect the plataform's default charset ?
– Guido
Oct 29 '08 at 16:14
5
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Capture HTML Canvas as gif/jpg/png/pdf?
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one more question, how can I save the image I got in this tag to server. Any guess??
– Surya
Jun 27 '11 at 8:41
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Could not load file or assembly 'Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=3
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For the sake of everyone reading this: I've done that and still got the error. Then I solved it somehow: Amazingly, I had to delete Json.Net's <dependentAssembly> section from my .config file. Reinstall brings it back if it's not there and ...
How to encrypt/decrypt data in php?
...ode used; more about this later.
The Password field will be hashed using a one-way password hash,
Encryption
Cipher and mode
Choosing the best encryption cipher and mode is beyond the scope of this answer, but the final choice affects the size of both the encryption key and initialisation vector...
How to get the instance id from within an ec2 instance?
...mple of a more advanced use (retrieve instance ID as well as availability zone and region, etc.):
EC2_INSTANCE_ID="`wget -q -O - http://169.254.169.254/latest/meta-data/instance-id || die \"wget instance-id has failed: $?\"`"
test -n "$EC2_INSTANCE_ID" || die 'cannot obtain instance-id'
EC2_AVAIL_Z...