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How to escape the % (percent) sign in C's printf?
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You can escape it by posting a double '%' like this: %%
Using your example:
printf("hello%%");
Escaping '%' sign is only for printf. If you do:
char a[5];
strcpy(a, "%%");
printf("This is a's value: %s\n", a);
It will print: This is a's value: %%
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“document.getElementByClass is not a function”
...ntsByClassName() (and then grabbing the first item off the resulting node list):
var stopMusicExt = document.getElementsByClassName("stopButton")[0];
stopButton.onclick = function() {
var ta = document.getElementsByClassName("stopButton")[0];
document['player'].stopMusicExt(ta.value);
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Vertically align text to top within a UILabel
...ave a UILabel with space for two lines of text. Sometimes, when the text is too short, this text is displayed in the vertical center of the label.
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What's the meaning of exception code “EXC_I386_GPFLT”?
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EXC_I386_GPFLT is surely referring to "General Protection fault", which is the x86's way to tell you that "you did something that you are not allowed to do". It typically DOESN'T mean that you access out of memory bounds, but it could be th...
How to write a bash script that takes optional input arguments?
...escribed in Bash Reference Manual - 3.5.3 Shell Parameter Expansion [emphasis mine]:
If parameter is unset or null, the expansion of word is substituted. Otherwise, the value of parameter is substituted.
If you only want to substitute a default value if the parameter is unset (but not if it's ...
Detect If Browser Tab Has Focus
Is there a reliable cross-browser way to detect that a tab has focus.
6 Answers
6
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How to write a Python module/package?
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A module is a file containing Python definitions and statements. The file name is the module name with the suffix .py
create hello.py then write the following function as its content:
def helloworld():
print "hello"
Then you ca...
Why does the C# compiler not fault code where a static method calls an instance method?
...What's new in C# 7.3, the section Improved overload candidates, item 1, it is explained how the overload resolution rules have changed so that non-static overloads are discarded early. So the below answer (and this entire question) has mostly only historical interest by now!
(Pre C# 7.3:)
For so...
Iterate over a list of files with spaces
I want to iterate over a list of files. This list is the result of a find command, so I came up with:
11 Answers
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LogCat message: The Google Play services resources were not found. Check your project configuration
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This is a bug in the Google Play services library, and it is filed here under issue 755.
Unfortunately, there isn't any solution yet.
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