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What is the difference between new/delete and malloc/free?
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new/delete
Allocate/release memory
Memory allocated from 'Free Store'
Returns a fully typed pointer.
new (standard version) never returns a NULL (will throw on failure)
Are called with Type-ID (compiler calculates the size)
Has a version explicitly to handle arrays.
Reallocati...
Why does running the Flask dev server run itself twice?
...t once, ensuring that it also gets called when running under wsgi (ie. not from app.run), but not waiting for the first request? I don't want that first request to be burdened with the initialisation cost.
– Kylotan
Jun 9 '15 at 8:49
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Remove the last line from a file in Bash
... means output lines starting at line 2.
Do not use sed for deleting lines from the top or bottom of a file -- it's very very slow if the file is large.
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How to delete a specific line in a file?
...I have a text file full of nicknames. How can I delete a specific nickname from this file, using Python?
17 Answers
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IntelliJ inspection gives “Cannot resolve symbol” but still compiles code
...ed classes may report wrong info and confuse IDEA. Verify that the classes from this jar report correct names using javap.
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Is it OK to leave a channel open?
... not constitute a reference to the channel object, and so does not keep it from being garbage collected.
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Is there a way to run Bash scripts on Windows? [closed]
...ebugging and running Bash scripts, but this setup is completely standalone from Windows and you cannot use Bash scripts to interact with Windows features (such as processes and APIs) except for limited access to files through the DrvFS feature.
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Case insensitive comparison of strings in shell script
...t to compare two strings ignoring case, how can it be done? Is there any standard command for this?
12 Answers
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max value of integer
In C, the integer (for 32 bit machine) is 32 bits, and it ranges from -32,768 to +32,767.
In Java, the integer(long) is also 32 bits, but ranges from -2,147,483,648 to +2,147,483,647.
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可重入函数、不可重入函数及线程安全 - C/C++ - 清泛网 - 专注C/C++及内核技术
...elset
tcsetattr
cfsetospeed
geteuid
pselect
sigemptyset
tcsetpgrp
chdir
getgid
raise
sigfillset
time
chmod
getgroups
read
sigismember
timer_getoverrun
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