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How do you create optional arguments in php?
...ument must be a constant expression. It can't be a variable or a function call.
If you need this functionality however:
function foo($foo, $bar = false)
{
if(!$bar)
{
$bar = $foo;
}
}
Assuming $bar isn't expected to be a boolean of course.
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How to create a zip archive of a directory in Python?
...e. The documentation tells you what functions are available, but doesn't really explain how you can use them to zip an entire directory. I think it's easiest to explain with some example code:
#!/usr/bin/env python
import os
import zipfile
def zipdir(path, ziph):
# ziph is zipfile handle
f...
WPF TextBox won't fill in StackPanel
...s meant for "stacking" things even outside the visible region, so it won't allow you to fill remaining space in the stacking dimension.
You can use a DockPanel with LastChildFill set to true and dock all the non-filling controls to the Left to simulate the effect you want.
<DockPanel Background...
Pair/tuple data type in Go
... structs and fields are fine for quick and dirty solutions like this. For all but the simplest cases though, you'd do better to define a named struct just like you did.
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How do I partially update an object in MongoDB so the new object will overlay / merge with the exist
...n would be that you are happy with $set, but do not want to explicitly set all fields. How would you pass in the data then?
You know you can do the following:
db.collection.update( { _id:...} , { $set: someObjectWithNewData }
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Why can't I push to this bare repository?
...This would only be required the first time. Afterwards it should work normally.
As Chris Johnsen pointed out, you would not have this problem if your push.default was customized. I like upstream/tracking.
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How to convert a private key to an RSA private key?
...nk you! I was getting A client error (MalformedCertificate) occurred when calling the UploadServerCertificate operation: Unable to parse certificate. Please ensure the certificate is in PEM format. and running this on my private key fixed it!
– philfreo
Jun 19 ...
Checking oracle sid and database name
...s, you can also use ORA_DATABASE_NAME.
It might be worth noting that not all of the methods give you the same output:
SQL> select sys_context('userenv','db_name') from dual;
SYS_CONTEXT('USERENV','DB_NAME')
--------------------------------------------------------------------------------
orcl
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Persistent invalid graphics state error when using ggplot2
...cs and it didn't get reset. This worked for me and it's simpler than reinstalling ggplot2.
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How should I copy Strings in Java?
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@GriffeyDog: I am reading the question less literally. What I am saying is that it is safe to give out references to a string object without fear that someone might modify the string.
– NPE
May 15 '12 at 20:12
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