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Command not found when using sudo
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Permission denied
In order to run a script the file must have an executable permission bit set.
In order to fully understand Linux file permissions you can study the documentation for the chmod command. chmod, an abbreviation of change mode, is the command that is used t...
Eclipse error: indirectly referenced from required .class files?
...().anyRequest().authenticated(); It broke down.Then I downloaded the jar file and import it the traditional manual way.
– Tsakiroglou Fotis
Aug 6 '17 at 17:03
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Switch Git branch without files checkout
Is it possible in Git to switch to another branch without checking out all files?
11 Answers
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How can I extract a good quality JPEG image from a video file with ffmpeg?
... This seems to have no effect for me-- qscale 1 and 2 both give identical file sizes and (to my naked eye) appear the same as without qscale at all.
– felwithe
Jan 28 '15 at 23:03
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Grepping a huge file (80GB) any way to speed it up?
... your command becomes:
LC_ALL=C fgrep -A 5 -B 5 'db_pd.Clients' eightygigsfile.sql
It will also be faster if you copy your file to RAM disk.
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Best way to define private methods for a class in Objective-C
...ass as the public methods. So I structure my classes like this:
In the .h file:
@interface MyClass {
// My Instance Variables
}
- (void)myPublicMethod;
@end
And in the .m file:
@interface MyClass()
- (void)myPrivateMethod;
@end
@implementation MyClass
- (void)myPublicMethod {
// I...
How to explain callbacks in plain english? How are they different from calling one function from ano
...he same kind of common sense. Consider how programmers normally write to a file:
fileObject = open(file)
# now that we have WAITED for the file to open, we can write to it
fileObject.write("We are writing to the file.")
# now we can continue doing the other, totally unrelated things our program doe...
How can I run MongoDB as a Windows service?
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It requires a logfile path, you can add the dbpath and logfile path like this mongod --dbpath="c:\data\db" --logpath="c:\data\db\log.txt" --install , After this you need to run net start MongoDB.
– sivaram636
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How to generate an openSSL key using a passphrase from the command line?
...ocesses.
A better alternative is to write the passphrase into a temporary file that is protected with file permissions, and specify that:
openssl genrsa -aes128 -passout file:passphrase.txt 3072
Or supply the passphrase on standard input:
openssl genrsa -aes128 -passout stdin 3072
You can als...
Why am I getting “Unable to find manifest signing certificate in the certificate store” in my Excel
... Signing tab and either
Click on Select from store
Click on Select from file
Click on Create test certificate
Once either of these is done, you should be able to build it again.
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