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Clearing a string buffer/builder after loop
...only benefit of creating the SB outside is not losing the internal (potentially long) char[] of it. If in the first iterator it grew up enough, the second loop will not need to resize any char[]. But for getting the advantage the "clear method" will have to preserve the size of the internal array. s...
What permission do I need to access Internet from an Android application?
... internet for my apk. No permission added to manifest, but if i try to install apk, installation inform me, that apk need FULL INTERNET ACCESS. How to solve this problem ? no permissions added to manifest. My apk not required full internet access - i want disable this permision.
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Replace Line Breaks in a String C#
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Did not remove all the newline chars. Try this string "\n \r\nMy message \r\n \n \r\n is this.\n \n \r\n"
– Shakti Prakash Singh
Aug 4 '13 at 12:12
...
How much is the overhead of smart pointers compared to normal pointers in C++?
..._ptr always has memory overhead for reference counter, though it is very small.
std::unique_ptr has time overhead only during constructor (if it has to copy the provided deleter and/or null-initialize the pointer) and during destructor (to destroy the owned object).
std::shared_ptr has time overhe...
How do I get an apk file from an Android device?
...e APKs are named "base.apk" you can also use this one line command to pull all the APKs off a phone you can access while renaming any "base.apk" names to the package name. This also fixes the directory not found issue for APK paths with seemingly random characters after the name:
for i in $(adb sh...
Why isn't the size of an array parameter the same as within main?
...with %zu (C99), or cast it to int if you use %d like above in your printf calls.
– Alok Singhal
Dec 29 '09 at 15:41
4
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javascript function leading bang ! syntax
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Ideally you should be able to do all this simply as:
function(){
// do stuff
}();
That means declare anonymous function and execute it. But that will not work due to specifics of JS grammar.
So shortest form of achieving ...
What is the difference between application server and web server?
...m, that means App Server can do whatever Web Server is capable of. Additionally App Server have components and features to support Application level services such as Connection Pooling, Object Pooling, Transaction Support, Messaging services etc.
As web servers are well suited for static content and...
Simplest way to do a recursive self-join?
...e ultimate ancestors in your chain, change it as appropriate
UNION ALL
SELECT m.*
FROM mytable m
JOIN q
ON m.parentID = q.PersonID
)
SELECT *
FROM q
By adding the ordering condition, you can preserve the tree order:
WITH q AS
...
How can I select every other line with multiple cursors in Sublime Text?
...t already enabled, enable them: Alt+R
Type in the expression .*\n.*\n
Find all: Alt+Enter
Press left arrow to get rid of the selections, leaving just the cursors: ←
You now have a cursor at the start of every odd-numbered line. If you wanted even-numbered lines, press down: ↓
Depending on the fi...