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How can I create download link in HTML?
...ated. We now have the download attribute. (see also this link to MDN)
If by "the download link" you mean a link to a file to download, use
<a href="http://example.com/files/myfile.pdf" target="_blank">Download</a>
the target=_blank will make a new browser window appear before the ...
Import multiple csv files into pandas and concatenate into one DataFrame
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@Mike @Sid the final two lines can be replaced by: pd.concat((pd.read_csv(f) for f in all_files), ignore_index=True). The inner brackets are required by Pandas version 0.18.1
– Igor Fobia
Oct 31 '16 at 15:27
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List all svn:externals recursively?
...er to also install the SVN command line client. This option is not enabled by default.
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Error: CUICatalog: Invalid asset name supplied: (null), or invalid scale factor : 2.000000
...n mind this also happens if image name is empty string. You can check this by adding [(NSString*)$x2 length] == 0 to the condition.
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Can't install nuget package because of “Failed to initialize the PowerShell host”
... PowerShell (as administrator) to set the policy to unrestricted (as noted by @Gabriel in the comments) is:
start-job { Set-ExecutionPolicy Unrestricted } -RunAs32 | wait-job | Receive-Job
Having set the policy to unrestricted, you will want to set the policy back to its original after the instal...
How can I call a custom Django manage.py command directly from a test driver?
...ecution stuff" and write test without additional requirements.
But if you by some reason cannot decouple logic form command you can call it from any code using call_command method like this:
from django.core.management import call_command
call_command('my_command', 'foo', bar='baz')
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Overloading member access operators ->, .*
...ass type, not a pointer, then the subsequent member lookup is also handled by an operator-> function. This is called the "drill-down behavior." The language chains together the operator-> calls until the last one returns a pointer.
struct client
{ int a; };
struct proxy {
client *tar...
Why does Go have a “goto” statement
...However Goto are not natively evil but can of course be misused and abused by lazy or unskilled programmers. Many problems with abused Gotos can be solved with development processes such as team code reviews.
goto are jumps in the same technical manner as continue, break and return. One could argue...
How do I choose between Semaphore and SemaphoreSlim?
... Release ["C# 5.0 in a Nutshell" pg. 890] So maybe that's what they mean by very short wait times?
– David Sherret
May 18 '13 at 16:30
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How do I pass extra arguments to a Python decorator?
... function.
Usually you want the decorator to change the function behavior by wrapping it in a wrapper function. Here's an example that optionally adds logging when the function is called:
def log_decorator(log_enabled):
def actual_decorator(func):
@functools.wraps(func)
def wra...