大约有 15,223 项符合查询结果(耗时:0.0273秒) [XML]

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Loop through an array of strings in Bash?

...ee") # get length of an array arraylength=${#array[@]} # use for loop to read all values and indexes for (( i=1; i<${arraylength}+1; i++ )); do echo $i " / " ${arraylength} " : " ${array[$i-1]} done Output: 1 / 3 : one 2 / 3 : two 3 / 3 : three ...
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How to get an object's property's value by property name?

...your question and explain why he should try this and why it improves the already existing answers. – T3 H40 Jan 15 '16 at 14:41 ...
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Exploitable PHP functions

...d RATS. I have also added some of my own to the mix and people on this thread have helped out. Edit: After posting this list I contacted the founder of RIPS and as of now this tools searches PHP code for the use of every function in this list. Most of these function calls are classified as Sinks...
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What's the difference between the atomic and nonatomic attributes?

... getter or set by the setter, regardless of setter activity on any other thread. That is, if thread A is in the middle of the getter while thread B calls the setter, an actual viable value -- an autoreleased object, most likely -- will be returned to the caller in A. In nonatomic, no such guarant...
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What is the correct SQL type to store a .Net Timespan with values > 24:00:00?

...tetime or datetimeoffset, that stores the result of first date + timespan. Reading from the db is a matter of TimeSpan x = SecondDate - FirstDate. Using this option will protect you for other non .NET data access libraries access the same data but not understanding TimeSpans; in case you have such a...
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How to replace spaces in file names using a bash script

... rename (aka prename) which is a Perl script which may be on your system already. Do it in two steps: find -name "* *" -type d | rename 's/ /_/g' # do the directories first find -name "* *" -type f | rename 's/ /_/g' Based on Jürgen's answer and able to handle multiple layers of files and dir...
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What does “use strict” do in JavaScript, and what is the reasoning behind it?

... are dynamically scoped. This is confusing, making programs difficult to read and understand. Misunderstanding causes bugs. It also is a problem for performance. Static scoping would permit variable binding to happen at compile time, but the requirement for dynamic scope means the binding mu...
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How can I save application settings in a Windows Forms application?

...simple: I have a Windows Forms (.NET 3.5) application that uses a path for reading information. This path can be modified by the user, by using the options form I provide. ...
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Unfortunately MyApp has stopped. How can I solve this?

... This answer describes the process of retrieving the stack trace. Already have the stack trace? Read up on stack traces in "What is a stack trace, and how can I use it to debug my application errors?" The Problem Your application quit because an uncaught RuntimeException was thrown. The mos...
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How to concatenate stdin and a string?

... use cat - to read from stdin, and put it in $() to throw away the trailing newline echo input | COMMAND "$(cat -)string" However why don't you drop the pipe and grab the output of the left side in a command substitution: COMMAND "$(ec...