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Limit number of characters allowed in form input text field
How do I limit or restrict the user to only enter a maximum of five characters in the textbox?
13 Answers
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Is it safe to parse a /proc/ file?
I want to parse /proc/net/tcp/ , but is it safe?
7 Answers
7
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How to count the frequency of the elements in an unordered list?
I need to find the frequency of elements in an unordered list
33 Answers
33
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TCPClient TCP客户端扩展：连接TCP服务器进行文本消息通信 · App Inventor 2 中文网
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Difference between add(), replace(), and addToBackStack()
What is the main difference between calling these methods:
9 Answers
9
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How to remove trailing whitespace of all files recursively?
How can you remove all of the trailing whitespace of an entire project? Starting at a root directory, and removing the trailing whitespace from all files in all folders.
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How to sort a dataframe by multiple column(s)
I want to sort a data.frame by multiple columns. For example, with the data.frame below I would like to sort by column z (descending) then by column b (ascending):
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Node.js Mongoose.js string to ObjectId function
Is there a function to turn a string into an objectId in node using mongoose? The schema specifies that something is an ObjectId, but when it is saved from a string, mongo tells me it is still just a string. The _id of the object, for instance, is displayed as objectId("blah") .
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Symbolicating iPhone App Crash Reports
I'm looking to try and symbolicate my iPhone app's crash reports.
25 Answers
25
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Is it possible to get CMake to build both a static and shared version of the same library?
Same source, all that, just want a static and shared version both. Easy to do?
5 Answers
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