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How to generate string of a certain length to insert into a file to meet a file size criteria?
...to test some load issues with regards to file size. I have a windows application written in C# which will automatically generate the files. I know the size of each file, ex. 100KB, and how many files to generate. What I need help with is how to generate a string less than or equal to the required...
How to undo a git merge with conflicts
... should restore any uncommitted changes from before the merge, although it cannot always do so reliably. Generally you shouldn't merge with uncommitted changes anyway.
Prior to version 1.7.4:
git reset --merge
This is older syntax but does the same as the above.
Prior to version 1.6.2:
git res...
Why isn't there a Guid.IsNullOrEmpty() method
...
Guid is a value type, so a variable of type Guid can't be null to start with. If you want to know if it's the same as the empty guid, you can just use:
if (guid == Guid.Empty)
share
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Numpy: Divide each row by a vector element
...You just need to use None (or alternatively np.newaxis) combined with broadcasting:
In [6]: data - vector[:,None]
Out[6]:
array([[0, 0, 0],
[0, 0, 0],
[0, 0, 0]])
In [7]: data / vector[:,None]
Out[7]:
array([[1, 1, 1],
[1, 1, 1],
[1, 1, 1]])
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Map and Reduce in .NET
... correct but it misses a key point. The shuffle step in map reduce is critical in map-reduce but doesn't show up in the name an one does not have to write any code for it. It is solely driven by the Key that is extracted in the map step. Joel Martinez answer highlights that in my opinion better.
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Reset other branch to current without a checkout
...ked without the superfluous refs/heads/ …
– ELLIOTTCABLE
Apr 15 '13 at 23:09
43
A much nicer wa...
Path to Powershell.exe (v 2.0)
Where is the Powershell (version 2.0) located? What is the path to Powershell.exe? I have Windows Server 2008 and Powershell installed. When I look at this folder:
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How do I remove leading whitespace in Python?
...hat's usually what you want. If you want to remove spaces and spaces only, call " bla".lstrip(" ")
– balpha
Jun 6 '09 at 8:03
1
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How to add semicolon after method call when inside parameter list in IntelliJ IDEA?
...s not even a shortcut in Eclipse, it just moves the semicolon to the end because it's obvious that it should (when the setting is turned on). Using any kind of shortcut key to do this is stupid.
– Manius
Jan 15 '15 at 3:15
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postgresql - replace all instances of a string within text field
...stance :
UPDATE <table> SET <field> = replace(<field>, 'cat', 'dog')
Be aware, though, that this will be a string-to-string replacement, so 'category' will become 'dogegory'. the regexp_replace function may help you define a stricter match pattern for what you want to replace.
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