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What are the differences between the BLOB and TEXT datatypes in MySQL?
...s.
BLOB is used for storing binary data while Text is used to store large string.
BLOB values are treated as binary strings (byte strings). They have no character set, and sorting and comparison are based on the numeric values of the bytes in column values.
TEXT values are treated as nonbinary st...
What's the difference between ES6 Map and WeakMap?
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@MuhammadUmer: object can only have string ‘keys’, while WeakMap can only have non-primitive keys (no strings or numbers or Symbols as keys, only arrays, objects, other maps, etc.).
– Ahmed Fasih
Aug 28 '16 at 5:41
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Is Disney's FastPass Valid and/or Useful Queue Theory
...go to 3 rides while being in the FastPass virtual queue. They also gave us extra uncounted FastPasses to some very unpopular rides, if we used those we would get some load off the more popular rides and fill the very unpopular ones.
Here's a graphic comparing the time we spent vs the non-fastpass o...
What is your naming convention for stored procedures? [closed]
... have multiple applications calling the same procedure then you need to be extra careful, any modification to that proc could break those multiple apps. Naming wise, it is a grey area, but you could name it common/global or anything you see fit. @localghosts: thanks for being informative.
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File Upload in WebView
...roid 3.0+
public void openFileChooser( ValueCallback uploadMsg, String acceptType ) {
mUploadMessage = uploadMsg;
Intent i = new Intent(Intent.ACTION_GET_CONTENT);
i.addCategory(Intent.CATEGORY_OPENABLE);
i.setType("*/*");
MyWb.this.s...
How can I shuffle the lines of a text file on the Unix command line or in a shell script?
... stdin input, but alternatively also filename arguments
The functions take extra steps to handle SIGPIPE in the usual way (quiet termination with exit code 141), as opposed to breaking noisily. This is important when piping the function output to a pipe that is closed early, such as when piping to h...
When should assertions stay in production code? [closed]
...ertion fail unacceptable and sloppy development. Developers need to go the extra mile to handle errors gracefully.
– iksnae
Jan 31 '14 at 18:57
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A method to reverse effect of java String.split()? [duplicate]
I am looking for a method to combine an array of strings into a delimited
String. An opposite to split().
16 Answers
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Test if remote TCP port is open from a shell script
...ard with alpine linux and ubuntu both. probably others. no need to install extra when you're remoted in and can't. thanks for this! I might add, nc host port -w 2 && echo it works
– std''OrgnlDave
Apr 10 '17 at 14:34
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Build and Version Numbering for Java Projects (ant, cvs, hudson)
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</manifest>
</target>
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Your java code
String ver = MyClass.class.getPackage().getImplementationVersion();
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