大约有 43,000 项符合查询结果(耗时:0.0647秒) [XML]

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How to get the start time of a long-running Linux process?

...ticks since system boot.1 This is a slightly tricky unit to use; see also convert jiffies to seconds for details. awk -v ticks="$(getconf CLK_TCK)" 'NR==1 { now=$1; next } END { printf "%9.0f\n", now - ($20/ticks) }' /proc/uptime RS=')' /proc/12345/stat This should give you seconds, which yo...
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Save An Image To Application Documents Folder From UIView On IOS

I have a UIImageView that allows a user to place and hold an image until it can be saved. The problem is, I can't figure out how to actually save and retrieve the image I've placed in the view. ...
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how to check if object already exists in a list

... the list.exists is another solution see below, but if you have huge lists and key value with a dictionary will be much faster as it is a hash table! Enjoy – Doug Aug 8 '10 at 17:21 ...
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Determine file creation date in Java

...cannot infer type-variable(s) A (argument mismatch; File cannot be converted to Path)) – Hooli Sep 9 '16 at 15:50 ...
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Insert into … values ( SELECT … FROM … )

...ild complication with MODE ANSI databases, where owner names are generally converted to upper-case (informix is the exception). That is, in a MODE ANSI database (not commonly used), you could write: CREATE TABLE someone.table ( ... ) and the owner name in the system catalog would be "SOMEONE", r...
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What's the u prefix in a Python string?

...ignore'). But you should really read some of the answers and discussion on Converting a Unicode string and this excellent, excellent, primer on character encoding. share | improve this answer ...
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How to get a key in a JavaScript object by its value?

... I think Converting it to a string would be better to fix type errors just add .toString() like obj[ key ].toString() and to the value if desired... – CrandellWS Jan 6 '15 at 20:19 ...
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How to start a Process as administrator mode in C# [duplicate]

...main = "", Password = pass, UseShellExecute = false, RedirectStandardOutput = true, RedirectStandardError = true }; Process.Start(psi); share | improve this answer | ...
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How to change the color of a CheckBox?

How do I change the default CheckBox color in Android? By default the CheckBox color is green, and I want to change this color. If it is not possible please tell me how to make a custom CheckBox ? ...
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Is there a limit on how much JSON can hold?

I am using jquery, JSON, and AJAX for a comment system. I am curious, is there a size limit on what you can send through/store with JSON? Like if a user types a large amount and I send it through JSON is there some sort of maximum limit? ...