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How to format a DateTime in PowerShell
...the -f operator does work in this form: 'format string' -f values. If you call Get-Date -format "yyyyMMdd" you call a cmdlet with some parameters. The value "yyyyMMdd" is the value for parameter Format (try help Get-Date -param Format).
-f operator
There are plenty of format strings. Look at least...
How to check if a folder exists
I am playing a bit with the new Java 7 IO features, actually I trying to receive all the xml files of a folder. But this throws an exception when the folder does not exist, how can I check if the folder exists with the new IO?
...
微博为什么限制140字(附短信70字限制考) - 创意 - 清泛网 - 专注C/C++及内核技术
.... We reserve 20 characters for people’s names, and the other 140 are all yours! (via Twitter FAQ)
也就是说，twitter希望微博首先能做到“微”，言简意赅，其次这样的限制是考虑到短信更新状态的字数限制，本身是160字母的限制，再留20字给id...
How do I increase the RAM and set up host-only networking in Vagrant?
...
You can modify various VM properties by adding the following configuration (see the Vagrant docs for a bit more info):
# Configure VM Ram usage
config.vm.customize [
"modifyvm", :id,
"--name", "Test_Environmen...
jQuery “Does not have attribute” selector?
...() selector.
$('.funding-plan-container:not([data-timestamp])')
This, by the way, is a valid Selectors API selector, so it isn't specific to jQuery. It'll work with querySelectorAll() and in your CSS (given browser support).
...
Does Dispose still get called when exception is thrown inside of a using statement?
...ile you are calling methods on the object. You can achieve the same result by putting the object inside a try block and then calling Dispose in a finally block; in fact, this is how the using statement is translated by the compiler.
– broadband
May 22 '14 at 8:...
Executing an EXE file using a PowerShell script
...\foo.exe" <arguments go here>
That is & expects to be followed by a string that identifies a command: cmdlet, function, native exe relative or absolute path.
Once you get just this working:
& "c:\some path with spaces\foo.exe"
Start working on quoting of the arguments as necessar...
When should an IllegalArgumentException be thrown?
... you should consider where the input is coming from.
Is the input entered by a user or another external system you don't control, you should expect the input to be invalid, and always validate it. It's perfectly ok to throw a checked exception in this case. Your application should 'recover' from th...
Is there a Rake equivalent in Python?
...ke is a software build tool written in Ruby (like Ant or Make ), and so all its files are written in this language. Does something like this exist in Python?
...
How to escape a single quote inside awk
... $1}'
That is, with '\'' you close the opening ', then print a literal ' by escaping it and finally open the ' again.
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