string-formatting

I am executing the below ffmpeg command for trimming videos.The issue I am having is that if filepath contains spaces then the command fails.I tried many ways to handle spaces but none of them worked except moving file to a path that doesn't have space and then executing the command with new file path as source. Below is the command- execFFmpegBinary("-i " + filepath + " -ss " + startMs / 1000 + " -to " + endMs / 1000 + " -strict -2 -async 1 " + dest.getAbsolutePath()); private void execFFmpegBinary(final String command) { try { ffmpeg.execute(command, new ExecuteBinaryResponseHandler() {

i have a structure which contains a float variable, struct MyStruct{ float p; }newMyStruct; And i am reading a value into it using scanf int main(){ scanf("%f",&(newMyStruct.p)); } The problem is when i print it using printf("%f",newMyStruct.p) it prints '0.000000'. Also i get a warning that says the arugment is double while the format expects it to be float(warning for the scanf("%f",&(newMyStruct.p)); statement).When i change scanf() syntax to scanf("%0f",&(newMyStruct.p)); , printf("%0f",newMyStruct.p); prints the float value correctly but the compiler gives another warning(something

Trying to set mysql user privileges with fabric. run("mysql -u %s -p%s -e 'grant all on %s.* to '%s'@'localhost' identified by 'PASSWORD'" % (user, dbpasswd, account)) Error TypeError: not enough arguments for format string Any idea ? Thanks a lot ! run('mysql -u %s -p%s -e "grant all on %s.* to '%s\'@\'localhost' identified by 'PASSWORD'"' % (user, dbpasswd, account, account)) SyntaxError: unexpected character after line continuation character Change your tuple to (user, dbpasswd, account, user) and you should be good. This error happens because you have 4 replacements tokens (%s) but only

I'm trying to convert big number to hexadecimal representation in R, but it fails, because it can't fit into 32-bit integer. Is there any way to overcome this limitation? > print(0xffffffff+0x10000000) [1] 4563402751 > as.hexmode(0xffffffff+0x10000000) Error in if (is.double(x) && (x == as.integer(x))) x <- as.integer(x) : missing value where TRUE/FALSE needed In addition: Warning message: In as.hexmode(4294967295 + 268435456) : NAs introduced by coercion Luckily I found the solution, but requires library gmp library(gmp) > as.character(as.bigz(0xffffffff+0x10000000),b=16) [1] "10fffffff" 来源：

I have a list of things I'd like to print using a format string. In Python 3-style, using "a string".format(arg,arg,arg) , this is easy. I can just replace with arguments with *mylist , like mylist = [1,2,3] "{} {} {}".format(*mylist) I can't seem to make this work with the older percent-formatting. I've tried stuff like "%i %i %i" % mylist , %i %i %i" % (mylist) , and %i %i %i" % (*mylist) but I just keep getting syntax errors or "not enough arguments". Is this impossible in 2.x style? ETA: I am changing the example above, I actually did mean list , not tuple . I'm still learning and I'm not

String.Format and IFormattable.ToString(format, value) provides different result when trying to format to hexadecimal. How to get correct results when using IFormattable.ToString(format, value) string format = "0x{0:X4}"; Console.WriteLine(string.Format(format, 255)); //prints- 0x00FF IFormattable formattableValue = (IFormattable)255; Console.WriteLine(formattableValue.ToString(format, null)); //prints- 25x{5:X4} The format of the formatting string is different for string.Format() and for ToString() . In particular, string.Format() allows for other text around the format, while IFormattable

There is String.Format function that is referred to in the documentation as the analog for Format function from VB6. There's also Format function from VisualBasic namespace that is provided for compatibility and basically has same powers as String.Format . Indeed, those two format dates and numbers. But VB6's function was also able to format strings: ? format$("hi there", ">") HI THERE ? format$("hI tHeRe", "<") hi there ? format$("hi there", ">!@@@... not @@@@@") HI ... not THERE String.Format is not able to do that, as far as I'm concerned, nor is the new Format . I also couldn't find any