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Set value for particular cell in pandas DataFrame using index
...umns will be overwritten with value. Like this: df.loc[df['age']==3, ['age-group']] = 'toddler'
– Piizei
Sep 12 '18 at 10:55
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Why not to deploy on a Friday? [closed]
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It depends on your target group.
We mainly deploy on Fridays. Our browserbased product is used globally by customers, but mainly during office hours. That means we don't really have any time other than sunday mornings if we want to make sure we don't ...
How to check if a file exists in Go?
...r version which checks for existence beforehand.
Taken from: https://groups.google.com/forum/#!msg/golang-nuts/Ayx-BMNdMFo/4rL8FFHr8v4J
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Get MIME type from filename extension
...enerictest", "application/xml"},
{".gif", "image/gif"},
{".group", "text/x-ms-group"},
{".gsm", "audio/x-gsm"},
{".gtar", "application/x-gtar"},
{".gz", "application/x-gzip"},
{".h", "text/plain"},
{".hdf", "application/x-hdf"},
{".hdml...
Can you get the column names from a SqlDataReader?
...namic>> and .Cast<dynamic>, but it says, Cannot convert method group 'Cast' to non-delegate type 'dynamic'. Did you intend to invoke the method? what did I do wrong there? (I looked at your sources, but they required you to know the column name, which I don't)
– Tra...
IN clause and placeholders
...t updateContactsByServerIds(ArrayList<Integer> serverIds, final long groupId) {
final int serverIdsCount = serverIds.size()-1; // 0 for one and only id, -1 if empty list
final StringBuilder ids = new StringBuilder("");
if (serverIdsCount>0) // ambiguous "if" but -1 leads to endl...
top命令使用详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...者的用户id
e
USER
进程所有者的用户名
f
GROUP
进程所有者的组名
g
TTY
启动进程的终端名。不是从终端启动的进程则显示为 ?
h
PR
优先级
i
NI
nice值。负值表示高优先级，正值表示低优先...
How can I get the assembly file version
...le();
return attribute.InformationalVersion;
}
(From http://bytes.com/groups/net/420417-assemblyversionattribute - as noted there, if you're looking for a different attribute, substitute that into the above)
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Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa
... Nice regexp. Note: replacing the space ` ` with \\s will replace any group of whitespaces with the desired character.
– djmj
Aug 23 '13 at 1:48
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What is the significance of #pragma marks? Why do we need #pragma marks?
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#pragma mark is used to tag the group of methods so you may easily find and detect methods from the Jump Bar. It may help you when your code files reach about 1000 lines and you want to find methods quickly through the category from Jump box.
In a long pro...