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Download a file by jQuery.Ajax
I have a Struts2 action in the server side for file downloading.
24 Answers
24
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Rotating and spacing axis labels in ggplot2
... factor whose labels are long. While probably not an ideal visualization, for now I'd like to simply rotate these labels to be vertical. I've figured this part out with the code below, but as you can see, the labels aren't totally visible.
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Allowed characters in filename [closed]
...able (Comparison of filename limitations), listing the reserved characters for quite a lot of file systems.
It also has a plethora of other information about each file system, including reserved file names such as CON under MS-DOS. I mention that only because I was bitten by that once when I shorte...
What JSON library to use in Scala? [closed]
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Unfortunately writing a JSON library is the Scala community's version of coding a todo list app.
There are quite a variety of alternatives. I list them in no particular order, with notes:
parsing.json.JSON - Warning this lib...
Reset Entity-Framework Migrations
...he Package Manager Console:
Enable-Migrations -EnableAutomaticMigrations -Force
Use with or without -EnableAutomaticMigrations
And finally, you can run:
Add-Migration Initial
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Import multiple csv files into pandas and concatenate into one DataFrame
...ta_files' # use your path
all_files = glob.glob(path + "/*.csv")
li = []
for filename in all_files:
df = pd.read_csv(filename, index_col=None, header=0)
li.append(df)
frame = pd.concat(li, axis=0, ignore_index=True)
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How to print a string in fixed width?
... still valid and correct, but people looking at this should prefer the new format syntax.
You can use string formatting like this:
>>> print '%5s' % 'aa'
aa
>>> print '%5s' % 'aaa'
aaa
>>> print '%5s' % 'aaaa'
aaaa
>>> print '%5s' % 'aaaaa'
aaaaa
Basical...
using jquery $.ajax to call a PHP function
... But this is simple if you are using a framework. with Kohana for example you can simply call the controller/action ajax(function(){ url:'Controller/action.php', });
– DeathCoder
Apr 22 '14 at 10:49
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Table name as variable
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For static queries, like the one in your question, table names and column names need to be static.
For dynamic queries you should generate the full SQL dynamically, and use sp_executesql to execute it.
Here is an example o...
querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
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+1 for pointing out the live node list distinction. That's an extremely important difference to be aware of depending on how you intend to use the results.
– jmbpiano
Mar 3 '16 at 16:19
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