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The difference between try/catch/throw and try/catch(e)/throw e
...ave the Person, then .Save() will throw an exception. Should you use throw or throw e in this case? Well, it depends.
What I prefer is doing:
try {
/* ... */
person.Save();
}
catch(DBException e) {
throw new InvalidPersonException(
"The person has an invalid state and could not ...
Get element at specified position - JavaScript
...looking to write a function that takes two input parameters (the x and y coordinates) and returns the html element at the position on the screen represented by the parameters.
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TortoiseHg Apply a Patch
TortoiseHg allows you to email a patch file of your changes to someone, but does it support applying patches?
4 Answers
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How often does python flush to a file?
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For file operations, Python uses the operating system's default buffering unless you configure it do otherwise. You can specify a buffer size, unbuffered, or line buffered.
For example, the open function takes a buffer size ...
Split string on the first white space occurrence
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If you only care about the space character (and not tabs or other whitespace characters) and only care about everything before the first space and everything after the first space, you can do it without a regular expression like this:
str.substr(0,str.indexOf(' ')); // "72"
str.su...
Can someone explain in simple terms to me what a directed acyclic graph is?
...lex terminology (if we're asking this question, we might not know graph theory... or even need to know). My variant would be something like "bar-hopping where you can never go to the same bar twice". Although the family-tree example from another answer is probably conceptually simpler, especially ...
Redirect from asp.net web api post action
...moved to" WebAPI page I was getting with other redirect techniques. Also for Redirect temporary instead of permanent you can use HttpStatusCode.Redirect (302) or .RedirectMethod (303)
– AaronLS
Apr 21 '14 at 18:46
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Track the time a command takes in UNIX/LINUX?
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Yes, use time <command>, such as
time ls
Consult man time for more options. Link.
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How to place div side by side
...pace. How do i float the second div to fill the rest of the space. Thanks for any help.
7 Answers
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JavaScript: empty array, [ ] evaluates to true in conditional structures. Why is this?
... there is a handful table showing unexpected situations using == comparator in the link you posted. I commented just to be careful when expecting true or false evaluation.
– m.rufca
Apr 24 '18 at 21:10
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