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How to perform a mysqldump without a password prompt?

... Since you are using Ubuntu, all you need to do is just to add a file in your home directory and it will disable the mysqldump password prompting. This is done by creating the file ~/.my.cnf (permissions need to be 600). Add this to the .my.cnf file [m...
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What exactly is a reentrant function?

... 1. How is safely defined? Semantically. In this case, this is not a hard-defined term. It just mean "You can do that, without risk". 2. If a program can be safely executed concurrently, does it always mean that it is reentrant? No. For example, let's have ...
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Android – Listen For Incoming SMS Messages

... @Sermilion You have to manually allow permission to read SMS in application manager of the mobile. – Sanjay Kushwah Mar 9 '17 at 9:39 ...
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How can I pad an int with leading zeros when using cout

...ormatted output to a string (char* or char[]) not to console directly. Actually I am writing a function that returns formatted string – shashwat Dec 23 '12 at 9:32 14 ...
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push_back vs emplace_back

...h_back(Type&& _Val). But the real C++0x form of emplace_back is really useful: void emplace_back(Args&&...); Instead of taking a value_type it takes a variadic list of arguments, so that means that you can now perfectly forward the arguments and construct directly an object into a ...
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What is digest authentication?

...es with the username, realm, password and the URI request. The client runs all of those fields through an MD5 hashing method to produce a hash key. It sends this hash key to the server along with the username and the realm to attempt to authenticate. Server-side the same method is used to generate...
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Declare and Initialize String Array in VBA

... Dim myStringArray() As String *code* redim myStringArray(size_of_your_array) Then you can do something static like this: myStringArray = { item_1, item_2, ... } Or something iterative like this: Dim x For x = 0 To size_of_your_array myStringArray(x) = data_source(x).Name Nex...
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Bash if statement with multiple conditions throws an error

...ions. tldp.org/LDP/Bash-Beginners-Guide/html/sect_07_01.html Update Actually you could still use && and || with the -eq operation. So your script would be like this: my_error_flag=1 my_error_flag_o=1 if [ $my_error_flag -eq 1 ] || [ $my_error_flag_o -eq 2 ] || ([ $my_error_flag -eq 1 ] ...
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How to capture UIView to UIImage without loss of quality on retina display

...IGraphicsBeginImageContext uses a fixed scale factor of 1.0, so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter when you implicitly scale it up or just your brain is picking up on it being less sharp than everyt...
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How do I convert a String to an InputStream in Java?

...ream = new ByteArrayInputStream(exampleString.getBytes(StandardCharsets.UTF_8)); Note that this assumes that you want an InputStream that is a stream of bytes that represent your original string encoded as UTF-8. For versions of Java less than 7, replace StandardCharsets.UTF_8 with "UTF-8". ...